28502774082992 has 80 divisors (see below), whose sum is σ = 63617869921920. Its totient is φ = 12234707596800.

The previous prime is 28502774082971. The next prime is 28502774083039. The reversal of 28502774082992 is 29928047720582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12569234 + ... + 14662577.

It is an arithmetic number, because the mean of its divisors is an integer number (795223374024).

Almost surely, 2^{28502774082992} is an apocalyptic number.

28502774082992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28502774082992 is an abundant number, since it is smaller than the sum of its proper divisors (35115095838928).

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

28502774082992 is a wasteful number, since it uses less digits than its factorization.

28502774082992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232162 (or 27232156 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 28502774082992 in words is "twenty-eight trillion, five hundred two billion, seven hundred seventy-four million, eighty-two thousand, nine hundred ninety-two".