679983788 has 12 divisors (see below), whose sum is σ = 1298150952. Its totient is φ = 309083520.

The previous prime is 679983779. The next prime is 679983797. The reversal of 679983788 is 887389976.

679983788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (679983779) and next prime (679983797).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7727045 + ... + 7727132.

It is an arithmetic number, because the mean of its divisors is an integer number (108179246).

Almost surely, 2^679983788 is an apocalyptic number.

It is an amenable number.

679983788 is a deficient number, since it is larger than the sum of its proper divisors (618167164).

679983788 is a wasteful number, since it uses less digits than its factorization.

679983788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454192 (or 15454190 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 65.

The square root of 679983788 is about 26076.4987680478. The cubic root of 679983788 is about 879.3589460033.

The spelling of 679983788 in words is "six hundred seventy-nine million, nine hundred eighty-three thousand, seven hundred eighty-eight".