679879371 has 8 divisors (see below), whose sum is σ = 907069504. Its totient is φ = 452971080.

The previous prime is 679879339. The next prime is 679879397. The reversal of 679879371 is 173978976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679879371 - 2⁵ = 679879339 is a prime.

It is a super-2 number, since 2×679879371² = 924471918222711282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679879271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64765 + ... + 74526.

It is an arithmetic number, because the mean of its divisors is an integer number (113383688).

Almost surely, 2^679879371 is an apocalyptic number.

679879371 is a deficient number, since it is larger than the sum of its proper divisors (227190133).

679879371 is a wasteful number, since it uses less digits than its factorization.

679879371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140921.

The product of its digits is 4000752, while the sum is 57.

The square root of 679879371 is about 26074.4965627335. The cubic root of 679879371 is about 879.3139328108.

The spelling of 679879371 in words is "six hundred seventy-nine million, eight hundred seventy-nine thousand, three hundred seventy-one".