85660364 has 24 divisors (see below), whose sum is σ = 153770400. Its totient is φ = 41740160.

The previous prime is 85660363. The next prime is 85660373. The reversal of 85660364 is 46306658.

It is a super-2 number, since 2×85660364² = 14675395921224992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85660361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23582 + ... + 26970.

It is an arithmetic number, because the mean of its divisors is an integer number (6407100).

Almost surely, 2^85660364 is an apocalyptic number.

It is an amenable number.

85660364 is a deficient number, since it is larger than the sum of its proper divisors (68110036).

85660364 is a wasteful number, since it uses less digits than its factorization.

85660364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 85660364 is about 9255.2884341872. The cubic root of 85660364 is about 440.8186618076.

The spelling of 85660364 in words is "eighty-five million, six hundred sixty thousand, three hundred sixty-four".