86915040250 has 32 divisors (see below), whose sum is σ = 162800960400. Its totient is φ = 34745502400.

The previous prime is 86915040211. The next prime is 86915040263. The reversal of 86915040250 is 5204051968.

It can be written as a sum of positive squares in 8 ways, for example, as 9102495649 + 77812544601 = 95407^2 + 278949^2 .

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, 325536 + ... + 528964.

Almost surely, 2^86915040250 is an apocalyptic number.

86915040250 is a deficient number, since it is larger than the sum of its proper divisors (75885920150).

86915040250 is a wasteful number, since it uses less digits than its factorization.

86915040250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205155 (or 205145 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 86915040250 in words is "eighty-six billion, nine hundred fifteen million, forty thousand, two hundred fifty".