85766136 has 32 divisors (see below), whose sum is σ = 214645200. Its totient is φ = 28558080.

The previous prime is 85766053. The next prime is 85766147. The reversal of 85766136 is 63166758.

It is a congruent number.

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, 37506 + ... + 39726.

Almost surely, 2^85766136 is an apocalyptic number.

It is an amenable number.

85766136 is an abundant number, since it is smaller than the sum of its proper divisors (128879064).

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

85766136 is a wasteful number, since it uses less digits than its factorization.

85766136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3835 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 85766136 is about 9261.0008098477. Note that the first 3 decimals coincide. The cubic root of 85766136 is about 441.0000257095. Note that the first 4 decimals are identical.

The spelling of 85766136 in words is "eighty-five million, seven hundred sixty-six thousand, one hundred thirty-six".