85579718 has 16 divisors (see below), whose sum is σ = 150120960. Its totient is φ = 35823816.

The previous prime is 85579699. The next prime is 85579771. The reversal of 85579718 is 81797558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70478 + ... + 71681.

It is an arithmetic number, because the mean of its divisors is an integer number (9382560).

Almost surely, 2^85579718 is an apocalyptic number.

85579718 is a deficient number, since it is larger than the sum of its proper divisors (64541242).

85579718 is a wasteful number, since it uses less digits than its factorization.

85579718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142211.

The product of its digits is 705600, while the sum is 50.

The square root of 85579718 is about 9250.9306558854. The cubic root of 85579718 is about 440.6802803268.

The spelling of 85579718 in words is "eighty-five million, five hundred seventy-nine thousand, seven hundred eighteen".