679869733280 has 96 divisors (see below), whose sum is σ = 1612349758656. Its totient is φ = 270907377664.

The previous prime is 679869733273. The next prime is 679869733313. The reversal of 679869733280 is 82337968976.

It is a self number, because there is not a number n which added to its sum of digits gives 679869733280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46094867 + ... + 46109613.

It is an arithmetic number, because the mean of its divisors is an integer number (16795309986).

Almost surely, 2^679869733280 is an apocalyptic number.

It is an amenable number.

679869733280 is an abundant number, since it is smaller than the sum of its proper divisors (932480025376).

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

679869733280 is a wasteful number, since it uses less digits than its factorization.

679869733280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846 (or 15838 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 679869733280 in words is "six hundred seventy-nine billion, eight hundred sixty-nine million, seven hundred thirty-three thousand, two hundred eighty".