679798443 has 4 divisors (see below), whose sum is σ = 906397928. Its totient is φ = 453198960.

The previous prime is 679798439. The next prime is 679798453. The reversal of 679798443 is 344897976.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 679798443 - 2² = 679798439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679798403) 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, 113299738 + ... + 113299743.

It is an arithmetic number, because the mean of its divisors is an integer number (226599482).

Almost surely, 2^679798443 is an apocalyptic number.

679798443 is a deficient number, since it is larger than the sum of its proper divisors (226599485).

679798443 is a wasteful number, since it uses less digits than its factorization.

679798443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226599484.

The product of its digits is 9144576, while the sum is 57.

The square root of 679798443 is about 26072.9446553319. The cubic root of 679798443 is about 879.2790423363.

The spelling of 679798443 in words is "six hundred seventy-nine million, seven hundred ninety-eight thousand, four hundred forty-three".