679680086570 has 8 divisors (see below), whose sum is σ = 1223424155844. Its totient is φ = 271872034624.

The previous prime is 679680086557. The next prime is 679680086593. The reversal of 679680086570 is 75680086976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 617335489849 + 62344596721 = 785707^2 + 249689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33984004319 + ... + 33984004338.

Almost surely, 2^679680086570 is an apocalyptic number.

679680086570 is a deficient number, since it is larger than the sum of its proper divisors (543744069274).

679680086570 is a wasteful number, since it uses less digits than its factorization.

679680086570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67968008664.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 679680086570 in words is "six hundred seventy-nine billion, six hundred eighty million, eighty-six thousand, five hundred seventy".