38470874520717 has 20 divisors (see below), whose sum is σ = 57497615073756. Its totient is φ = 25634406683520.

The previous prime is 38470874520677. The next prime is 38470874520719. The reversal of 38470874520717 is 71702547807483.

38470874520717 is a `hidden beast` number, since 3 + 8 + 470 + 8 + 74 + 5 + 20 + 71 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1027599854436 + 37443274666281 = 1013706^2 + 6119091^2 .

It is not a de Polignac number, because 38470874520717 - 2²⁷ = 38470740302989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38470874520719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118753884 + ... + 119077397.

Almost surely, 2^{38470874520717} is an apocalyptic number.

It is an amenable number.

38470874520717 is a deficient number, since it is larger than the sum of its proper divisors (19026740553039).

38470874520717 is a wasteful number, since it uses less digits than its factorization.

38470874520717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237833290 (or 237833281 counting only the distinct ones).

The product of its (nonzero) digits is 73758720, while the sum is 63.

The spelling of 38470874520717 in words is "thirty-eight trillion, four hundred seventy billion, eight hundred seventy-four million, five hundred twenty thousand, seven hundred seventeen".