3220977375 has 288 divisors, whose sum is σ = 7714317312. Its totient is φ = 1255824000.

The previous prime is 3220977367. The next prime is 3220977377. The reversal of 3220977375 is 5737790223.

3220977375 is a `hidden beast` number, since 3 + 2 + 209 + 77 + 375 = 666.

It is not a de Polignac number, because 3220977375 - 2³ = 3220977367 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3220977375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220977377) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 31271574 + ... + 31271676.

It is an arithmetic number, because the mean of its divisors is an integer number (26785824).

Almost surely, 2^3220977375 is an apocalyptic number.

3220977375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3220977375 is an abundant number, since it is smaller than the sum of its proper divisors (4493339937).

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

3220977375 is a wasteful number, since it uses less digits than its factorization.

3220977375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The square root of 3220977375 is about 56753.6551686321. The cubic root of 3220977375 is about 1476.8256432838.

The spelling of 3220977375 in words is "three billion, two hundred twenty million, nine hundred seventy-seven thousand, three hundred seventy-five".