679757663232 has 528 divisors, whose sum is σ = 2151467416800. Its totient is φ = 205839138816.

The previous prime is 679757663227. The next prime is 679757663237. The reversal of 679757663232 is 232366757976.

It is an interprime number because it is at equal distance from previous prime (679757663227) and next prime (679757663237).

It is a self number, because there is not a number n which added to its sum of digits gives 679757663232.

It is not an unprimeable number, because it can be changed into a prime (679757663237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 863732343 + ... + 863733129.

Almost surely, 2^679757663232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679757663232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075733708400).

679757663232 is an abundant number, since it is smaller than the sum of its proper divisors (1471709753568).

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

679757663232 is a wasteful number, since it uses less digits than its factorization.

679757663232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 995 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 63.

The spelling of 679757663232 in words is "six hundred seventy-nine billion, seven hundred fifty-seven million, six hundred sixty-three thousand, two hundred thirty-two".