85008579 has 4 divisors (see below), whose sum is σ = 113344776. Its totient is φ = 56672384.

The previous prime is 85008533. The next prime is 85008589. The reversal of 85008579 is 97580058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85008579 - 2⁹ = 85008067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85008579.

It is not an unprimeable number, because it can be changed into a prime (85008589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14168094 + ... + 14168099.

It is an arithmetic number, because the mean of its divisors is an integer number (28336194).

Almost surely, 2^85008579 is an apocalyptic number.

85008579 is a deficient number, since it is larger than the sum of its proper divisors (28336197).

85008579 is a wasteful number, since it uses less digits than its factorization.

85008579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336196.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 85008579 is about 9220.0097071532. The cubic root of 85008579 is about 439.6977590326.

The spelling of 85008579 in words is "eighty-five million, eight thousand, five hundred seventy-nine".