679976775 has 60 divisors (see below), whose sum is σ = 1303097400. Its totient is φ = 350118720.

The previous prime is 679976747. The next prime is 679976813. The reversal of 679976775 is 577679976.

It is not a de Polignac number, because 679976775 - 2⁸ = 679976519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 52936 + ... + 64514.

It is an arithmetic number, because the mean of its divisors is an integer number (21718290).

Almost surely, 2^679976775 is an apocalyptic number.

679976775 is a deficient number, since it is larger than the sum of its proper divisors (623120625).

679976775 is a wasteful number, since it uses less digits than its factorization.

679976775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630 (or 11616 counting only the distinct ones).

The product of its digits is 35006580, while the sum is 63.

The square root of 679976775 is about 26076.3642979615. The cubic root of 679976775 is about 879.3559229089.

The spelling of 679976775 in words is "six hundred seventy-nine million, nine hundred seventy-six thousand, seven hundred seventy-five".