86311575250 has 32 divisors (see below), whose sum is σ = 163005191856. Its totient is φ = 34219091200.

The previous prime is 86311575227. The next prime is 86311575269. The reversal of 86311575250 is 5257511368.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 669308641 + 85642266609 = 25871^2 + 292647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86311575197 and 86311575206.

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, 1499389 + ... + 1555888.

Almost surely, 2^86311575250 is an apocalyptic number.

86311575250 is a deficient number, since it is larger than the sum of its proper divisors (76693616606).

86311575250 is a wasteful number, since it uses less digits than its factorization.

86311575250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055407 (or 3055397 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 86311575250 in words is "eighty-six billion, three hundred eleven million, five hundred seventy-five thousand, two hundred fifty".