315177727268217 has 16 divisors (see below), whose sum is σ = 458455438639872. Its totient is φ = 191010509376720.

The previous prime is 315177727268213. The next prime is 315177727268263. The reversal of 315177727268217 is 712862727771513.

It is not a de Polignac number, because 315177727268217 - 2² = 315177727268213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315177727268213) 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, 156359083 + ... + 158361984.

It is an arithmetic number, because the mean of its divisors is an integer number (28653464914992).

Almost surely, 2^{315177727268217} is an apocalyptic number.

It is an amenable number.

315177727268217 is a deficient number, since it is larger than the sum of its proper divisors (143277711371655).

315177727268217 is a wasteful number, since it uses less digits than its factorization.

315177727268217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314751428.

The product of its digits is 96808320, while the sum is 66.

The spelling of 315177727268217 in words is "three hundred fifteen trillion, one hundred seventy-seven billion, seven hundred twenty-seven million, two hundred sixty-eight thousand, two hundred seventeen".