28655255682 has 32 divisors (see below), whose sum is σ = 63694968960. Its totient is φ = 9549258480.

The previous prime is 28655255659. The next prime is 28655255683.

28655255682 is a `hidden beast` number, since 2 + 8 + 6 + 5 + 5 + 2 + 556 + 82 = 666.

28655255682 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28655255682² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28655255683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145632 + ... + 280212.

It is an arithmetic number, because the mean of its divisors is an integer number (1990467780).

Almost surely, 2^28655255682 is an apocalyptic number.

28655255682 is an abundant number, since it is smaller than the sum of its proper divisors (35039713278).

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

28655255682 is a wasteful number, since it uses less digits than its factorization.

28655255682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138535 (or 138529 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 54.

The spelling of 28655255682 in words is "twenty-eight billion, six hundred fifty-five million, two hundred fifty-five thousand, six hundred eighty-two".