28060275580 has 96 divisors (see below), whose sum is σ = 62731468800. Its totient is φ = 10526595840.

The previous prime is 28060275577. The next prime is 28060275583. The reversal of 28060275580 is 8557206082.

It is an interprime number because it is at equal distance from previous prime (28060275577) and next prime (28060275583).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060275583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2996746 + ... + 3006094.

It is an arithmetic number, because the mean of its divisors is an integer number (653452800).

Almost surely, 2^28060275580 is an apocalyptic number.

28060275580 is a gapful number since it is divisible by the number (20) 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 28060275580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31365734400).

28060275580 is an abundant number, since it is smaller than the sum of its proper divisors (34671193220).

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

28060275580 is a wasteful number, since it uses less digits than its factorization.

28060275580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 28060275580 in words is "twenty-eight billion, sixty million, two hundred seventy-five thousand, five hundred eighty".