679107860 has 12 divisors (see below), whose sum is σ = 1426126548. Its totient is φ = 271643136.

The previous prime is 679107839. The next prime is 679107883. The reversal of 679107860 is 68701976.

It can be written as a sum of positive squares in 2 ways, for example, as 167081476 + 512026384 = 12926^2 + 22628^2 .

It is a super-2 number, since 2×679107860² = 922374971027559200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16977677 + ... + 16977716.

It is an arithmetic number, because the mean of its divisors is an integer number (118843879).

Almost surely, 2^679107860 is an apocalyptic number.

It is an amenable number.

679107860 is an abundant number, since it is smaller than the sum of its proper divisors (747018688).

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

679107860 is a wasteful number, since it uses less digits than its factorization.

679107860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33955402 (or 33955400 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 679107860 is about 26059.6980028549. The cubic root of 679107860 is about 878.9811987145.

The spelling of 679107860 in words is "six hundred seventy-nine million, one hundred seven thousand, eight hundred sixty".