679796997 has 24 divisors (see below), whose sum is σ = 1013204640. Its totient is φ = 405002400.

The previous prime is 679796987. The next prime is 679797007. The reversal of 679796997 is 799697976.

It is an interprime number because it is at equal distance from previous prime (679796987) and next prime (679797007).

It is not a de Polignac number, because 679796997 - 2¹² = 679792901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679796927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5547 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (42216860).

Almost surely, 2^679796997 is an apocalyptic number.

It is an amenable number.

679796997 is a deficient number, since it is larger than the sum of its proper divisors (333407643).

679796997 is a wasteful number, since it uses less digits than its factorization.

679796997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31825 (or 31814 counting only the distinct ones).

The product of its digits is 81015228, while the sum is 69.

The square root of 679796997 is about 26072.9169254228. The cubic root of 679796997 is about 879.2784188974.

The spelling of 679796997 in words is "six hundred seventy-nine million, seven hundred ninety-six thousand, nine hundred ninety-seven".