28617835764 has 48 divisors (see below), whose sum is σ = 76324566528. Its totient is φ = 8175416928.

The previous prime is 28617835723. The next prime is 28617835769. The reversal of 28617835764 is 46753871682.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28617835769) 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, 756607 + ... + 793529.

It is an arithmetic number, because the mean of its divisors is an integer number (1590095136).

Almost surely, 2^28617835764 is an apocalyptic number.

It is an amenable number.

28617835764 is an abundant number, since it is smaller than the sum of its proper divisors (47706730764).

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

28617835764 is a wasteful number, since it uses less digits than its factorization.

28617835764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46164 (or 46162 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 28617835764 in words is "twenty-eight billion, six hundred seventeen million, eight hundred thirty-five thousand, seven hundred sixty-four".