85956764 has 6 divisors (see below), whose sum is σ = 150424344. Its totient is φ = 42978380.

The previous prime is 85956763. The next prime is 85956781. The reversal of 85956764 is 46765958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85956763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10744592 + ... + 10744599.

It is an arithmetic number, because the mean of its divisors is an integer number (25070724).

Almost surely, 2^85956764 is an apocalyptic number.

It is an amenable number.

85956764 is a deficient number, since it is larger than the sum of its proper divisors (64467580).

85956764 is a wasteful number, since it uses less digits than its factorization.

85956764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489195 (or 21489193 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 85956764 is about 9271.2870735405. The cubic root of 85956764 is about 441.3265133336.

The spelling of 85956764 in words is "eighty-five million, nine hundred fifty-six thousand, seven hundred sixty-four".