87504573402 has 16 divisors (see below), whose sum is σ = 194454607680. Its totient is φ = 29168191116.

The previous prime is 87504573391. The next prime is 87504573421. The reversal of 87504573402 is 20437540578.

87504573402 is a `hidden beast` number, since 8 + 75 + 0 + 4 + 573 + 4 + 0 + 2 = 666.

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 7 ways as a sum of consecutive naturals, for example, 810227478 + ... + 810227585.

It is an arithmetic number, because the mean of its divisors is an integer number (12153412980).

Almost surely, 2^87504573402 is an apocalyptic number.

87504573402 is an abundant number, since it is smaller than the sum of its proper divisors (106950034278).

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

87504573402 is a wasteful number, since it uses less digits than its factorization.

87504573402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620455074 (or 1620455068 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 87504573402 in words is "eighty-seven billion, five hundred four million, five hundred seventy-three thousand, four hundred two".