85939764 has 24 divisors (see below), whose sum is σ = 200977728. Its totient is φ = 28582080.

The previous prime is 85939747. The next prime is 85939771. The reversal of 85939764 is 46793958.

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, 2352 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (8374072).

Almost surely, 2^85939764 is an apocalyptic number.

It is an amenable number.

85939764 is an abundant number, since it is smaller than the sum of its proper divisors (115037964).

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

85939764 is a wasteful number, since it uses less digits than its factorization.

85939764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135 (or 16133 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 85939764 is about 9270.3702191444. The cubic root of 85939764 is about 441.2974171344.

The spelling of 85939764 in words is "eighty-five million, nine hundred thirty-nine thousand, seven hundred sixty-four".