28579502484688 has 10 divisors (see below), whose sum is σ = 55372786064114. Its totient is φ = 14289751242336.

The previous prime is 28579502484683. The next prime is 28579502484703. The reversal of 28579502484688 is 88648420597582.

It can be written as a sum of positive squares in only one way, i.e., 26204488617024 + 2375013867664 = 5119032^2 + 1541108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28579502484683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 893109452631 + ... + 893109452662.

Almost surely, 2^{28579502484688} is an apocalyptic number.

It is an amenable number.

28579502484688 is a deficient number, since it is larger than the sum of its proper divisors (26793283579426).

28579502484688 is a wasteful number, since it uses less digits than its factorization.

28579502484688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786218905301 (or 1786218905295 counting only the distinct ones).

The product of its (nonzero) digits is 2477260800, while the sum is 76.

The spelling of 28579502484688 in words is "twenty-eight trillion, five hundred seventy-nine billion, five hundred two million, four hundred eighty-four thousand, six hundred eighty-eight".