679769499 has 16 divisors (see below), whose sum is σ = 928400000. Its totient is φ = 442181376.

The previous prime is 679769459. The next prime is 679769521. The reversal of 679769499 is 994967976.

It is not a de Polignac number, because 679769499 - 2¹³ = 679761307 is a prime.

It is a super-2 number, since 2×679769499² = 924173143541422002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679769449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159012 + ... + 163230.

It is an arithmetic number, because the mean of its divisors is an integer number (58025000).

Almost surely, 2^679769499 is an apocalyptic number.

679769499 is a deficient number, since it is larger than the sum of its proper divisors (248630501).

679769499 is a wasteful number, since it uses less digits than its factorization.

679769499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its digits is 46294416, while the sum is 66.

The square root of 679769499 is about 26072.3895912899. The cubic root of 679769499 is about 879.2665630423.

The spelling of 679769499 in words is "six hundred seventy-nine million, seven hundred sixty-nine thousand, four hundred ninety-nine".