679197989932 has 72 divisors (see below), whose sum is σ = 1587735656640. Its totient is φ = 250695073440.

The previous prime is 679197989917. The next prime is 679197989957. The reversal of 679197989932 is 239989791976.

It is a happy number.

679197989932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679197989932² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8249218 + ... + 8331145.

It is an arithmetic number, because the mean of its divisors is an integer number (22051884120).

Almost surely, 2^679197989932 is an apocalyptic number.

It is an amenable number.

679197989932 is an abundant number, since it is smaller than the sum of its proper divisors (908537666708).

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

679197989932 is a wasteful number, since it uses less digits than its factorization.

679197989932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16580411 (or 16580402 counting only the distinct ones).

The product of its digits is 833299488, while the sum is 79.

The spelling of 679197989932 in words is "six hundred seventy-nine billion, one hundred ninety-seven million, nine hundred eighty-nine thousand, nine hundred thirty-two".