38657342871 has 12 divisors (see below), whose sum is σ = 63815296272. Its totient is φ = 22089910176.

The previous prime is 38657342849. The next prime is 38657342881. The reversal of 38657342871 is 17824375683.

It is a happy number.

38657342871 is a `hidden beast` number, since 3 + 86 + 5 + 73 + 428 + 71 = 666.

It is not a de Polignac number, because 38657342871 - 2⁷ = 38657342743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38657342881) 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, 306804246 + ... + 306804371.

It is an arithmetic number, because the mean of its divisors is an integer number (5317941356).

Almost surely, 2^38657342871 is an apocalyptic number.

38657342871 is a deficient number, since it is larger than the sum of its proper divisors (25157953401).

38657342871 is a wasteful number, since it uses less digits than its factorization.

38657342871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613608630 (or 613608627 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 38657342871 in words is "thirty-eight billion, six hundred fifty-seven million, three hundred forty-two thousand, eight hundred seventy-one".