85679508 has 24 divisors (see below), whose sum is σ = 208611648. Its totient is φ = 27318016.

The previous prime is 85679471. The next prime is 85679509. The reversal of 85679508 is 80597658.

It is a super-2 number, since 2×85679508² = 14681956182244128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85679509) 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, 154941 + ... + 155492.

It is an arithmetic number, because the mean of its divisors is an integer number (8692152).

Almost surely, 2^85679508 is an apocalyptic number.

It is an amenable number.

85679508 is an abundant number, since it is smaller than the sum of its proper divisors (122932140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85679508 is a wasteful number, since it uses less digits than its factorization.

85679508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310463 (or 310461 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 85679508 is about 9256.3225959341. The cubic root of 85679508 is about 440.8514984798.

The spelling of 85679508 in words is "eighty-five million, six hundred seventy-nine thousand, five hundred eight".