671315579 has 8 divisors (see below), whose sum is σ = 742659840. Its totient is φ = 601690600.

The previous prime is 671315573. The next prime is 671315597. The reversal of 671315579 is 975513176.

671315579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671315579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671315573) 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, 428999 + ... + 430560.

It is an arithmetic number, because the mean of its divisors is an integer number (92832480).

Almost surely, 2^671315579 is an apocalyptic number.

671315579 is a deficient number, since it is larger than the sum of its proper divisors (71344261).

671315579 is a wasteful number, since it uses less digits than its factorization.

671315579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859641.

The product of its digits is 198450, while the sum is 44.

The square root of 671315579 is about 25909.7583740181. The cubic root of 671315579 is about 875.6063623964.

The spelling of 671315579 in words is "six hundred seventy-one million, three hundred fifteen thousand, five hundred seventy-nine".