979698868 has 6 divisors (see below), whose sum is σ = 1714473026. Its totient is φ = 489849432.

The previous prime is 979698847. The next prime is 979698871. The reversal of 979698868 is 868896979.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 913731984 + 65966884 = 30228^2 + 8122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 979698797 and 979698806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122462355 + ... + 122462362.

Almost surely, 2^979698868 is an apocalyptic number.

It is an amenable number.

979698868 is a deficient number, since it is larger than the sum of its proper divisors (734774158).

979698868 is a wasteful number, since it uses less digits than its factorization.

979698868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244924721 (or 244924719 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 70.

The square root of 979698868 is about 31300.1416610213. The cubic root of 979698868 is about 993.1866395490.

The spelling of 979698868 in words is "nine hundred seventy-nine million, six hundred ninety-eight thousand, eight hundred sixty-eight".