38617138798 has 64 divisors (see below), whose sum is σ = 68709408768. Its totient is φ = 15933490560.

The previous prime is 38617138787. The next prime is 38617138823. The reversal of 38617138798 is 89783171683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20907111 + ... + 20908957.

It is an arithmetic number, because the mean of its divisors is an integer number (1073584512).

Almost surely, 2^38617138798 is an apocalyptic number.

38617138798 is a deficient number, since it is larger than the sum of its proper divisors (30092269970).

38617138798 is a wasteful number, since it uses less digits than its factorization.

38617138798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its digits is 12192768, while the sum is 61.

The spelling of 38617138798 in words is "thirty-eight billion, six hundred seventeen million, one hundred thirty-eight thousand, seven hundred ninety-eight".