679571679 has 8 divisors (see below), whose sum is σ = 928195632. Its totient is φ = 441997760.

The previous prime is 679571591. The next prime is 679571701. The reversal of 679571679 is 976175976.

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

It is a cyclic number.

It is not a de Polignac number, because 679571679 - 2¹² = 679567583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679579679) 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, 2762364 + ... + 2762609.

It is an arithmetic number, because the mean of its divisors is an integer number (116024454).

Almost surely, 2^679571679 is an apocalyptic number.

679571679 is a deficient number, since it is larger than the sum of its proper divisors (248623953).

679571679 is a wasteful number, since it uses less digits than its factorization.

679571679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525017.

The product of its digits is 5000940, while the sum is 57.

The square root of 679571679 is about 26068.5956468698. The cubic root of 679571679 is about 879.1812628600.

The spelling of 679571679 in words is "six hundred seventy-nine million, five hundred seventy-one thousand, six hundred seventy-nine".