85179599 has 8 divisors (see below), whose sum is σ = 88178688. Its totient is φ = 82196280.

The previous prime is 85179581. The next prime is 85179631. The reversal of 85179599 is 99597158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85179599 - 2⁸ = 85179343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85179599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85179559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7634 + ... + 15120.

It is an arithmetic number, because the mean of its divisors is an integer number (11022336).

Almost surely, 2^85179599 is an apocalyptic number.

85179599 is a deficient number, since it is larger than the sum of its proper divisors (2999089).

85179599 is a wasteful number, since it uses less digits than its factorization.

85179599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its digits is 1020600, while the sum is 53.

The square root of 85179599 is about 9229.2794409965. The cubic root of 85179599 is about 439.9924223902.

The spelling of 85179599 in words is "eighty-five million, one hundred seventy-nine thousand, five hundred ninety-nine".