85660304 has 20 divisors (see below), whose sum is σ = 168446064. Its totient is φ = 42190368.

The previous prime is 85660301. The next prime is 85660307. The reversal of 85660304 is 40306658.

It is an interprime number because it is at equal distance from previous prime (85660301) and next prime (85660307).

It is not an unprimeable number, because it can be changed into a prime (85660301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38882 + ... + 41025.

Almost surely, 2^85660304 is an apocalyptic number.

It is an amenable number.

85660304 is a deficient number, since it is larger than the sum of its proper divisors (82785760).

85660304 is a wasteful number, since it uses less digits than its factorization.

85660304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79982 (or 79976 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 85660304 is about 9255.2851927966. The cubic root of 85660304 is about 440.8185588852.

The spelling of 85660304 in words is "eighty-five million, six hundred sixty thousand, three hundred four".