679165836892 has 24 divisors (see below), whose sum is σ = 1218010791312. Its totient is φ = 331169308800.

The previous prime is 679165836827. The next prime is 679165836907. The reversal of 679165836892 is 298638561976.

It is a super-2 number, since 2×679165836892² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 403023 + ... + 1233190.

It is an arithmetic number, because the mean of its divisors is an integer number (50750449638).

Almost surely, 2^679165836892 is an apocalyptic number.

It is an amenable number.

679165836892 is a deficient number, since it is larger than the sum of its proper divisors (538844954420).

679165836892 is a wasteful number, since it uses less digits than its factorization.

679165836892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638789 (or 1638787 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 70.

The spelling of 679165836892 in words is "six hundred seventy-nine billion, one hundred sixty-five million, eight hundred thirty-six thousand, eight hundred ninety-two".