679275980 has 12 divisors (see below), whose sum is σ = 1426479600. Its totient is φ = 271710384.

The previous prime is 679275979. The next prime is 679275991. The reversal of 679275980 is 89572976.

It is a super-2 number, since 2×679275980² = 922831714009920800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16981880 + ... + 16981919.

It is an arithmetic number, because the mean of its divisors is an integer number (118873300).

Almost surely, 2^679275980 is an apocalyptic number.

It is an amenable number.

679275980 is an abundant number, since it is smaller than the sum of its proper divisors (747203620).

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

679275980 is a wasteful number, since it uses less digits than its factorization.

679275980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33963808 (or 33963806 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 679275980 is about 26062.9234737778. The cubic root of 679275980 is about 879.0537262834.

The spelling of 679275980 in words is "six hundred seventy-nine million, two hundred seventy-five thousand, nine hundred eighty".