679016919 has 16 divisors (see below), whose sum is σ = 1037773568. Its totient is φ = 386854272.

The previous prime is 679016911. The next prime is 679016953. The reversal of 679016919 is 919610976.

It is not a de Polignac number, because 679016919 - 2³ = 679016911 is a prime.

It is a super-2 number, since 2×679016919² = 922127952576505122, 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 (679016911) 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, 40897 + ... + 55050.

It is an arithmetic number, because the mean of its divisors is an integer number (64860848).

Almost surely, 2^679016919 is an apocalyptic number.

679016919 is a deficient number, since it is larger than the sum of its proper divisors (358756649).

679016919 is a wasteful number, since it uses less digits than its factorization.

679016919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96294.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 679016919 is about 26057.9530853826. The cubic root of 679016919 is about 878.9419614532.

The spelling of 679016919 in words is "six hundred seventy-nine million, sixteen thousand, nine hundred nineteen".