679448113 has 4 divisors (see below), whose sum is σ = 715208560. Its totient is φ = 643687668.

The previous prime is 679448093. The next prime is 679448123. The reversal of 679448113 is 311844976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679448113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 679448113.

It is not an unprimeable number, because it can be changed into a prime (679448123) 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, 17880195 + ... + 17880232.

It is an arithmetic number, because the mean of its divisors is an integer number (178802140).

Almost surely, 2^679448113 is an apocalyptic number.

It is an amenable number.

679448113 is a deficient number, since it is larger than the sum of its proper divisors (35760447).

679448113 is a wasteful number, since it uses less digits than its factorization.

679448113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35760446.

The product of its digits is 145152, while the sum is 43.

The square root of 679448113 is about 26066.2255226951. The cubic root of 679448113 is about 879.1279726772.

The spelling of 679448113 in words is "six hundred seventy-nine million, four hundred forty-eight thousand, one hundred thirteen".