28635802057038 has 64 divisors (see below), whose sum is σ = 62693556456960. Its totient is φ = 8647639334400.

The previous prime is 28635802057013. The next prime is 28635802057067. The reversal of 28635802057038 is 83075020853682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24254098 + ... + 25407338.

It is an arithmetic number, because the mean of its divisors is an integer number (979586819640).

Almost surely, 2^{28635802057038} is an apocalyptic number.

28635802057038 is an abundant number, since it is smaller than the sum of its proper divisors (34057754399922).

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

28635802057038 is a wasteful number, since it uses less digits than its factorization.

28635802057038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154553.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 28635802057038 in words is "twenty-eight trillion, six hundred thirty-five billion, eight hundred two million, fifty-seven thousand, thirty-eight".