679975208 has 32 divisors (see below), whose sum is σ = 1400220000. Its totient is φ = 306999360.

The previous prime is 679975207. The next prime is 679975223. The reversal of 679975208 is 802579976.

It is a self number, because there is not a number n which added to its sum of digits gives 679975208.

It is not an unprimeable number, because it can be changed into a prime (679975207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12818 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (43756875).

Almost surely, 2^679975208 is an apocalyptic number.

It is an amenable number.

679975208 is an abundant number, since it is smaller than the sum of its proper divisors (720244792).

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

679975208 is a wasteful number, since it uses less digits than its factorization.

679975208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52025 (or 52021 counting only the distinct ones).

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

The square root of 679975208 is about 26076.3342515776. The cubic root of 679975208 is about 879.3552474193.

The spelling of 679975208 in words is "six hundred seventy-nine million, nine hundred seventy-five thousand, two hundred eight".