85715608 has 16 divisors (see below), whose sum is σ = 175327560. Its totient is φ = 38961600.

The previous prime is 85715551. The next prime is 85715629. The reversal of 85715608 is 80651758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486933 + ... + 487108.

Almost surely, 2^85715608 is an apocalyptic number.

85715608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85715608 is an abundant number, since it is smaller than the sum of its proper divisors (89611952).

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

85715608 is a wasteful number, since it uses less digits than its factorization.

85715608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974058 (or 974054 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 85715608 is about 9258.2724090405. The cubic root of 85715608 is about 440.9134055598.

The spelling of 85715608 in words is "eighty-five million, seven hundred fifteen thousand, six hundred eight".