86317508 has 6 divisors (see below), whose sum is σ = 151055646. Its totient is φ = 43158752.

The previous prime is 86317493. The next prime is 86317537. The reversal of 86317508 is 80571368.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 18386944 = 8242^2 + 4288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10789685 + ... + 10789692.

It is an arithmetic number, because the mean of its divisors is an integer number (25175941).

Almost surely, 2^86317508 is an apocalyptic number.

It is an amenable number.

86317508 is a deficient number, since it is larger than the sum of its proper divisors (64738138).

86317508 is a wasteful number, since it uses less digits than its factorization.

86317508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579381 (or 21579379 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 86317508 is about 9290.7216081422. The cubic root of 86317508 is about 441.9430391439.

The spelling of 86317508 in words is "eighty-six million, three hundred seventeen thousand, five hundred eight".