87892470004 has 12 divisors (see below), whose sum is σ = 156333328228. Its totient is φ = 43225804800.

The previous prime is 87892469999. The next prime is 87892470013. The reversal of 87892470004 is 40007429878.

It can be written as a sum of positive squares in 2 ways, for example, as 7887216100 + 80005253904 = 88810^2 + 282852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87892470004.

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 3 ways as a sum of consecutive naturals, for example, 180107277 + ... + 180107764.

Almost surely, 2^87892470004 is an apocalyptic number.

It is an amenable number.

87892470004 is a deficient number, since it is larger than the sum of its proper divisors (68440858224).

87892470004 is a wasteful number, since it uses less digits than its factorization.

87892470004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360215106 (or 360215104 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 87892470004 in words is "eighty-seven billion, eight hundred ninety-two million, four hundred seventy thousand, four".