85609976 has 8 divisors (see below), whose sum is σ = 160518720. Its totient is φ = 42804984.

The previous prime is 85609967. The next prime is 85609981. The reversal of 85609976 is 67990658.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5350616 + ... + 5350631.

It is an arithmetic number, because the mean of its divisors is an integer number (20064840).

Almost surely, 2^85609976 is an apocalyptic number.

It is an amenable number.

85609976 is a deficient number, since it is larger than the sum of its proper divisors (74908744).

85609976 is a wasteful number, since it uses less digits than its factorization.

85609976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701253 (or 10701249 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 85609976 is about 9252.5659143829. The cubic root of 85609976 is about 440.7322105935.

The spelling of 85609976 in words is "eighty-five million, six hundred nine thousand, nine hundred seventy-six".