679616216 has 8 divisors (see below), whose sum is σ = 1274280420. Its totient is φ = 339808104.

The previous prime is 679616207. The next prime is 679616237. The reversal of 679616216 is 612616976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42476006 + ... + 42476021.

Almost surely, 2^679616216 is an apocalyptic number.

It is an amenable number.

679616216 is a deficient number, since it is larger than the sum of its proper divisors (594664204).

679616216 is a wasteful number, since it uses less digits than its factorization.

679616216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84952033 (or 84952029 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 679616216 is about 26069.4498599414. The cubic root of 679616216 is about 879.2004687028.

The spelling of 679616216 in words is "six hundred seventy-nine million, six hundred sixteen thousand, two hundred sixteen".