556789972902 has 32 divisors (see below), whose sum is σ = 1183113842400. Its totient is φ = 174353614848.

The previous prime is 556789972889. The next prime is 556789972913. The reversal of 556789972902 is 209279987655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43236027 + ... + 43248902.

It is an arithmetic number, because the mean of its divisors is an integer number (36972307575).

Almost surely, 2^556789972902 is an apocalyptic number.

556789972902 is an abundant number, since it is smaller than the sum of its proper divisors (626323869498).

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

556789972902 is a wasteful number, since it uses less digits than its factorization.

556789972902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86485000.

The product of its (nonzero) digits is 171460800, while the sum is 69.

The spelling of 556789972902 in words is "five hundred fifty-six billion, seven hundred eighty-nine million, nine hundred seventy-two thousand, nine hundred two".