315767641506647 has 12 divisors (see below), whose sum is σ = 347110122649920. Its totient is φ = 287039424471360.

The previous prime is 315767641506641. The next prime is 315767641506659. The reversal of 315767641506647 is 746605146767513.

It is not a de Polignac number, because 315767641506647 - 2¹⁶ = 315767641441111 is a prime.

It is a super-2 number, since 2×315767641506647² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315767641506641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98727623 + ... + 101875800.

It is an arithmetic number, because the mean of its divisors is an integer number (28925843554160).

Almost surely, 2^{315767641506647} is an apocalyptic number.

315767641506647 is a deficient number, since it is larger than the sum of its proper divisors (31342481143273).

315767641506647 is a wasteful number, since it uses less digits than its factorization.

315767641506647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200616454 (or 200616443 counting only the distinct ones).

The product of its (nonzero) digits is 533433600, while the sum is 68.

The spelling of 315767641506647 in words is "three hundred fifteen trillion, seven hundred sixty-seven billion, six hundred forty-one million, five hundred six thousand, six hundred forty-seven".