38578167713 has 32 divisors (see below), whose sum is σ = 41726361600. Its totient is φ = 35594858880.

The previous prime is 38578167703. The next prime is 38578167787. The reversal of 38578167713 is 31776187583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38578167713 - 2²⁰ = 38577119137 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38578167703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36775613 + ... + 36776661.

It is an arithmetic number, because the mean of its divisors is an integer number (1303948800).

Almost surely, 2^38578167713 is an apocalyptic number.

It is an amenable number.

38578167713 is a deficient number, since it is larger than the sum of its proper divisors (3148193887).

38578167713 is a wasteful number, since it uses less digits than its factorization.

38578167713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its digits is 5927040, while the sum is 56.

The spelling of 38578167713 in words is "thirty-eight billion, five hundred seventy-eight million, one hundred sixty-seven thousand, seven hundred thirteen".