6775205580 has 192 divisors, whose sum is σ = 24763737600. Its totient is φ = 1516112640.

The previous prime is 6775205579. The next prime is 6775205581. The reversal of 6775205580 is 855025776.

6775205580 is a `hidden beast` number, since 6 + 7 + 75 + 20 + 558 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6775205579) and next prime (6775205581).

It is a super-3 number, since 3×6775205580³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6775205581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33351 + ... + 121089.

It is an arithmetic number, because the mean of its divisors is an integer number (128977800).

Almost surely, 2^6775205580 is an apocalyptic number.

6775205580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6775205580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12381868800).

6775205580 is an abundant number, since it is smaller than the sum of its proper divisors (17988532020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6775205580 is a wasteful number, since it uses less digits than its factorization.

6775205580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87781 (or 87773 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The square root of 6775205580 is about 82311.6369658629. The cubic root of 6775205580 is about 1892.2310262492.

The spelling of 6775205580 in words is "six billion, seven hundred seventy-five million, two hundred five thousand, five hundred eighty".