85679936 has 14 divisors (see below), whose sum is σ = 170021250. Its totient is φ = 42839936.

The previous prime is 85679933. The next prime is 85679941. The reversal of 85679936 is 63997658.

It can be written as a sum of positive squares in only one way, i.e., 85673536 + 6400 = 9256^2 + 80^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85679933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669311 + ... + 669438.

It is an arithmetic number, because the mean of its divisors is an integer number (12144375).

Almost surely, 2^85679936 is an apocalyptic number.

It is an amenable number.

85679936 is a deficient number, since it is larger than the sum of its proper divisors (84341314).

85679936 is a wasteful number, since it uses less digits than its factorization.

85679936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338761 (or 1338751 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 85679936 is about 9256.3457152377. The cubic root of 85679936 is about 440.8522325492.

The spelling of 85679936 in words is "eighty-five million, six hundred seventy-nine thousand, nine hundred thirty-six".