679122860486 has 24 divisors (see below), whose sum is σ = 1254705984216. Its totient is φ = 273931909440.

The previous prime is 679122860483. The next prime is 679122860497. The reversal of 679122860486 is 684068221976.

It is a happy number.

It is a super-2 number, since 2×679122860486² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679122860483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203816720 + ... + 203820051.

It is an arithmetic number, because the mean of its divisors is an integer number (52279416009).

Almost surely, 2^679122860486 is an apocalyptic number.

679122860486 is a deficient number, since it is larger than the sum of its proper divisors (575583123730).

679122860486 is a wasteful number, since it uses less digits than its factorization.

679122860486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407636804 (or 407636797 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 679122860486 in words is "six hundred seventy-nine billion, one hundred twenty-two million, eight hundred sixty thousand, four hundred eighty-six".