679391996 has 12 divisors (see below), whose sum is σ = 1190358960. Its totient is φ = 339289440.

The previous prime is 679391983. The next prime is 679392037. The reversal of 679391996 is 699193976.

It is a super-3 number, since 3×679391996³ (a number of 27 digits) contains 333 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, 97865 + ... + 104576.

It is an arithmetic number, because the mean of its divisors is an integer number (99196580).

Almost surely, 2^679391996 is an apocalyptic number.

It is an amenable number.

679391996 is a deficient number, since it is larger than the sum of its proper divisors (510966964).

679391996 is a wasteful number, since it uses less digits than its factorization.

679391996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203284 (or 203282 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 59.

The square root of 679391996 is about 26065.1490692073. The cubic root of 679391996 is about 879.1037690224.

It can be divided in two parts, 6793 and 91996, that added together give a palindrome (98789).

The spelling of 679391996 in words is "six hundred seventy-nine million, three hundred ninety-one thousand, nine hundred ninety-six".