679920898 has 8 divisors (see below), whose sum is σ = 1020163392. Its totient is φ = 339866436.

The previous prime is 679920893. The next prime is 679920911. The reversal of 679920898 is 898029976.

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

It is not an unprimeable number, because it can be changed into a prime (679920893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37590 + ... + 52657.

It is an arithmetic number, because the mean of its divisors is an integer number (127520424).

Almost surely, 2^679920898 is an apocalyptic number.

679920898 is a deficient number, since it is larger than the sum of its proper divisors (340242494).

679920898 is a wasteful number, since it uses less digits than its factorization.

679920898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94016.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 679920898 is about 26075.2928650859. The cubic root of 679920898 is about 879.3318352642.

The spelling of 679920898 in words is "six hundred seventy-nine million, nine hundred twenty thousand, eight hundred ninety-eight".