679676655 has 32 divisors (see below), whose sum is σ = 1243819008. Its totient is φ = 310464000.

The previous prime is 679676633. The next prime is 679676663. The reversal of 679676655 is 556676976.

It is not a de Polignac number, because 679676655 - 2¹¹ = 679674607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679676595 and 679676604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241255 + ... + 244055.

It is an arithmetic number, because the mean of its divisors is an integer number (38869344).

Almost surely, 2^679676655 is an apocalyptic number.

679676655 is a deficient number, since it is larger than the sum of its proper divisors (564142353).

679676655 is a wasteful number, since it uses less digits than its factorization.

679676655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127.

The product of its digits is 14288400, while the sum is 57.

The square root of 679676655 is about 26070.6090262579. The cubic root of 679676655 is about 879.2265306775.

The spelling of 679676655 in words is "six hundred seventy-nine million, six hundred seventy-six thousand, six hundred fifty-five".