85637064 has 16 divisors (see below), whose sum is σ = 214092720. Its totient is φ = 28545680.

The previous prime is 85637023. The next prime is 85637077. The reversal of 85637064 is 46073658.

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, 1784082 + ... + 1784129.

It is an arithmetic number, because the mean of its divisors is an integer number (13380795).

Almost surely, 2^85637064 is an apocalyptic number.

It is an amenable number.

85637064 is an abundant number, since it is smaller than the sum of its proper divisors (128455656).

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

85637064 is a wasteful number, since it uses less digits than its factorization.

85637064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568220 (or 3568216 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 85637064 is about 9254.0296087704. The cubic root of 85637064 is about 440.7786899710.

The spelling of 85637064 in words is "eighty-five million, six hundred thirty-seven thousand, sixty-four".