679459497 has 8 divisors (see below), whose sum is σ = 916861344. Its totient is φ = 447515328.

The previous prime is 679459493. The next prime is 679459507. The reversal of 679459497 is 794954976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679459497 - 2² = 679459493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679459497.

It is not an unprimeable number, because it can be changed into a prime (679459493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364128 + ... + 1364625.

It is an arithmetic number, because the mean of its divisors is an integer number (114607668).

Almost surely, 2^679459497 is an apocalyptic number.

It is an amenable number.

679459497 is a deficient number, since it is larger than the sum of its proper divisors (237401847).

679459497 is a wasteful number, since it uses less digits than its factorization.

679459497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728839.

The product of its digits is 17146080, while the sum is 60.

The square root of 679459497 is about 26066.4438886473. The cubic root of 679459497 is about 879.1328825134.

The spelling of 679459497 in words is "six hundred seventy-nine million, four hundred fifty-nine thousand, four hundred ninety-seven".