679894960 has 20 divisors (see below), whose sum is σ = 1580755968. Its totient is φ = 271957952.

The previous prime is 679894907. The next prime is 679894967. The reversal of 679894960 is 69498976.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 679894895 and 679894904.

It is not an unprimeable number, because it can be changed into a prime (679894967) 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, 4249264 + ... + 4249423.

Almost surely, 2^679894960 is an apocalyptic number.

It is an amenable number.

679894960 is an abundant number, since it is smaller than the sum of its proper divisors (900861008).

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

679894960 is a wasteful number, since it uses less digits than its factorization.

679894960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498700 (or 8498694 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 679894960 is about 26074.7954929660. The cubic root of 679894960 is about 879.3206533756.

The spelling of 679894960 in words is "six hundred seventy-nine million, eight hundred ninety-four thousand, nine hundred sixty".