679684258 has 8 divisors (see below), whose sum is σ = 1112210640. Its totient is φ = 308947380.

The previous prime is 679684253. The next prime is 679684267. The reversal of 679684258 is 852486976.

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

It is a junction number, because it is equal to n+sod(n) for n = 679684199 and 679684208.

It is not an unprimeable number, because it can be changed into a prime (679684253) 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, 15447348 + ... + 15447391.

It is an arithmetic number, because the mean of its divisors is an integer number (139026330).

Almost surely, 2^679684258 is an apocalyptic number.

679684258 is a deficient number, since it is larger than the sum of its proper divisors (432526382).

679684258 is a wasteful number, since it uses less digits than its factorization.

679684258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30894752.

The product of its digits is 5806080, while the sum is 55.

The square root of 679684258 is about 26070.7548413927. The cubic root of 679684258 is about 879.2298090670.

The spelling of 679684258 in words is "six hundred seventy-nine million, six hundred eighty-four thousand, two hundred fifty-eight".