679267898 has 16 divisors (see below), whose sum is σ = 1073173920. Its totient is φ = 321564816.

The previous prime is 679267871. The next prime is 679267903. The reversal of 679267898 is 898762976.

It is a happy number.

It is a super-2 number, since 2×679267898² = 922809754506676808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679267898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73661 + ... + 82367.

It is an arithmetic number, because the mean of its divisors is an integer number (67073370).

Almost surely, 2^679267898 is an apocalyptic number.

679267898 is a deficient number, since it is larger than the sum of its proper divisors (393906022).

679267898 is a wasteful number, since it uses less digits than its factorization.

679267898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 18289152, while the sum is 62.

The square root of 679267898 is about 26062.7684254762. The cubic root of 679267898 is about 879.0502399536.

The spelling of 679267898 in words is "six hundred seventy-nine million, two hundred sixty-seven thousand, eight hundred ninety-eight".