85592979 has 6 divisors (see below), whose sum is σ = 123634316. Its totient is φ = 57061980.

The previous prime is 85592957. The next prime is 85592993. The reversal of 85592979 is 97929558.

It is not a de Polignac number, because 85592979 - 2⁷ = 85592851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85592939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4755157 + ... + 4755174.

Almost surely, 2^85592979 is an apocalyptic number.

85592979 is a deficient number, since it is larger than the sum of its proper divisors (38041337).

85592979 is a wasteful number, since it uses less digits than its factorization.

85592979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510337 (or 9510334 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 85592979 is about 9251.6473668207. The cubic root of 85592979 is about 440.7030410133.

The spelling of 85592979 in words is "eighty-five million, five hundred ninety-two thousand, nine hundred seventy-nine".