679795415264 has 192 divisors, whose sum is σ = 1617025213440. Its totient is φ = 275184967680.

The previous prime is 679795415207. The next prime is 679795415281. The reversal of 679795415264 is 462514597976.

It is a super-2 number, since 2×679795415264² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679795415264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55528184 + ... + 55540424.

It is an arithmetic number, because the mean of its divisors is an integer number (8422006320).

Almost surely, 2^679795415264 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 679795415264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808512606720).

679795415264 is an abundant number, since it is smaller than the sum of its proper divisors (937229798176).

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

679795415264 is a wasteful number, since it uses less digits than its factorization.

679795415264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473 (or 12465 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 65.

The spelling of 679795415264 in words is "six hundred seventy-nine billion, seven hundred ninety-five million, four hundred fifteen thousand, two hundred sixty-four".