87391357000 has 32 divisors (see below), whose sum is σ = 204495777720. Its totient is φ = 34956542400.

The previous prime is 87391356989. The next prime is 87391357057. The reversal of 87391357000 is 75319378.

It can be written as a sum of positive squares in 4 ways, for example, as 23878284676 + 63513072324 = 154526^2 + 252018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43694679 + ... + 43696678.

Almost surely, 2^87391357000 is an apocalyptic number.

It is an amenable number.

87391357000 is an abundant number, since it is smaller than the sum of its proper divisors (117104420720).

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

87391357000 is a wasteful number, since it uses less digits than its factorization.

87391357000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87391378 (or 87391364 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 87391357000 in words is "eighty-seven billion, three hundred ninety-one million, three hundred fifty-seven thousand".