679945486 has 8 divisors (see below), whose sum is σ = 1112638104. Its totient is φ = 309066120.

The previous prime is 679945477. The next prime is 679945489. The reversal of 679945486 is 684549976.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 679945486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679945489) 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, 15453285 + ... + 15453328.

It is an arithmetic number, because the mean of its divisors is an integer number (139079763).

Almost surely, 2^679945486 is an apocalyptic number.

679945486 is a deficient number, since it is larger than the sum of its proper divisors (432692618).

679945486 is a wasteful number, since it uses less digits than its factorization.

679945486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30906626.

The product of its digits is 13063680, while the sum is 58.

The square root of 679945486 is about 26075.7643416257. The cubic root of 679945486 is about 879.3424349044.

The spelling of 679945486 in words is "six hundred seventy-nine million, nine hundred forty-five thousand, four hundred eighty-six".