85798508 has 24 divisors (see below), whose sum is σ = 153504960. Its totient is φ = 41947920.

The previous prime is 85798499. The next prime is 85798519. The reversal of 85798508 is 80589758.

It is a super-2 number, since 2×85798508² = 14722767950052128, which contains 22 as substring.

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, 48935 + ... + 50657.

It is an arithmetic number, because the mean of its divisors is an integer number (6396040).

Almost surely, 2^85798508 is an apocalyptic number.

It is an amenable number.

85798508 is a deficient number, since it is larger than the sum of its proper divisors (67706452).

85798508 is a wasteful number, since it uses less digits than its factorization.

85798508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 85798508 is about 9262.7484042265. The cubic root of 85798508 is about 441.0555031497.

The spelling of 85798508 in words is "eighty-five million, seven hundred ninety-eight thousand, five hundred eight".