316172647 has 36 divisors (see below), whose sum is σ = 396877320. Its totient is φ = 251053824.

The previous prime is 316172641. The next prime is 316172653. The reversal of 316172647 is 746271613.

It is an interprime number because it is at equal distance from previous prime (316172641) and next prime (316172653).

It is not a de Polignac number, because 316172647 - 2³ = 316172639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316172641) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1175229 + ... + 1175497.

It is an arithmetic number, because the mean of its divisors is an integer number (11024370).

Almost surely, 2^316172647 is an apocalyptic number.

316172647 is a deficient number, since it is larger than the sum of its proper divisors (80704673).

316172647 is a wasteful number, since it uses less digits than its factorization.

316172647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 376 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 316172647 is about 17781.2442478022. The cubic root of 316172647 is about 681.2524833173.

The spelling of 316172647 in words is "three hundred sixteen million, one hundred seventy-two thousand, six hundred forty-seven".