679798886850 has 120 divisors (see below), whose sum is σ = 1949764278528. Its totient is φ = 175431938400.

The previous prime is 679798886803. The next prime is 679798886891. The reversal of 679798886850 is 58688897976.

679798886850 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 679798886850.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2581734 + ... + 2832833.

Almost surely, 2^679798886850 is an apocalyptic number.

679798886850 is an abundant number, since it is smaller than the sum of its proper divisors (1269965391678).

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

679798886850 is a wasteful number, since it uses less digits than its factorization.

679798886850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414622 (or 5414608 counting only the distinct ones).

The product of its (nonzero) digits is 2926264320, while the sum is 81.

The spelling of 679798886850 in words is "six hundred seventy-nine billion, seven hundred ninety-eight million, eight hundred eighty-six thousand, eight hundred fifty".