85765884 has 24 divisors (see below), whose sum is σ = 211892688. Its totient is φ = 26906880.

The previous prime is 85765879. The next prime is 85765907. The reversal of 85765884 is 48856758.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 210007 + ... + 210414.

It is an arithmetic number, because the mean of its divisors is an integer number (8828862).

Almost surely, 2^85765884 is an apocalyptic number.

It is an amenable number.

85765884 is an abundant number, since it is smaller than the sum of its proper divisors (126126804).

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

85765884 is a wasteful number, since it uses less digits than its factorization.

85765884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420445 (or 420443 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 51.

The square root of 85765884 is about 9260.9872043967. The cubic root of 85765884 is about 440.9995937903. Note that the first 3 decimals are identical.

The spelling of 85765884 in words is "eighty-five million, seven hundred sixty-five thousand, eight hundred eighty-four".