3172047617579 has 8 divisors (see below), whose sum is σ = 3192032171328. Its totient is φ = 3152090090880.

The previous prime is 3172047617573. The next prime is 3172047617633. The reversal of 3172047617579 is 9757167402713.

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-3172047617579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172047617573) 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, 6521267 + ... + 6990780.

It is an arithmetic number, because the mean of its divisors is an integer number (399004021416).

Almost surely, 2^{3172047617579} is an apocalyptic number.

3172047617579 is a deficient number, since it is larger than the sum of its proper divisors (19984553749).

3172047617579 is a wasteful number, since it uses less digits than its factorization.

3172047617579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513525.

The product of its (nonzero) digits is 15558480, while the sum is 59.

The spelling of 3172047617579 in words is "three trillion, one hundred seventy-two billion, forty-seven million, six hundred seventeen thousand, five hundred seventy-nine".