28602080784 has 30 divisors (see below), whose sum is σ = 80046101486. Its totient is φ = 9534026880.

The previous prime is 28602080761. The next prime is 28602080791. The reversal of 28602080784 is 48708020682.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16363526400 + 12238554384 = 127920^2 + 110628^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99312637 + ... + 99312924.

Almost surely, 2^28602080784 is an apocalyptic number.

28602080784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28602080784 is an abundant number, since it is smaller than the sum of its proper divisors (51444020702).

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

28602080784 is a wasteful number, since it uses less digits than its factorization.

28602080784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198625575 (or 198625566 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 28602080784 in words is "twenty-eight billion, six hundred two million, eighty thousand, seven hundred eighty-four".