679119399 has 12 divisors (see below), whose sum is σ = 1121086096. Its totient is φ = 388068192.

The previous prime is 679119379. The next prime is 679119401. The reversal of 679119399 is 993911976.

It is not a de Polignac number, because 679119399 - 2⁸ = 679119143 is a prime.

It is a super-2 number, since 2×679119399² = 922406316196242402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679119379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5389774 + ... + 5389899.

Almost surely, 2^679119399 is an apocalyptic number.

679119399 is a deficient number, since it is larger than the sum of its proper divisors (441966697).

679119399 is a wasteful number, since it uses less digits than its factorization.

679119399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10779686 (or 10779683 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 679119399 is about 26059.9193974195. The cubic root of 679119399 is about 878.9861770629.

The spelling of 679119399 in words is "six hundred seventy-nine million, one hundred nineteen thousand, three hundred ninety-nine".