679810086 has 24 divisors (see below), whose sum is σ = 1473885504. Its totient is φ = 226455120.

The previous prime is 679810051. The next prime is 679810099. The reversal of 679810086 is 680018976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17931 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (61411896).

Almost surely, 2^679810086 is an apocalyptic number.

679810086 is an abundant number, since it is smaller than the sum of its proper divisors (794075418).

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

679810086 is a wasteful number, since it uses less digits than its factorization.

679810086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24716 (or 24713 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 679810086 is about 26073.1679318030. The cubic root of 679810086 is about 879.2840621514.

The spelling of 679810086 in words is "six hundred seventy-nine million, eight hundred ten thousand, eighty-six".