38381373779 has 16 divisors (see below), whose sum is σ = 43959052800. Its totient is φ = 32827434624.

The previous prime is 38381373769. The next prime is 38381373847. The reversal of 38381373779 is 97737318383.

It is a cyclic number.

It is not a de Polignac number, because 38381373779 - 2⁸ = 38381373523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38381373769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8200562 + ... + 8205240.

It is an arithmetic number, because the mean of its divisors is an integer number (2747440800).

Almost surely, 2^38381373779 is an apocalyptic number.

38381373779 is a deficient number, since it is larger than the sum of its proper divisors (5577679021).

38381373779 is a wasteful number, since it uses less digits than its factorization.

38381373779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962.

The product of its digits is 16003008, while the sum is 59.

The spelling of 38381373779 in words is "thirty-eight billion, three hundred eighty-one million, three hundred seventy-three thousand, seven hundred seventy-nine".