38812668197 has 8 divisors (see below), whose sum is σ = 39674009856. Its totient is φ = 37952807472.

The previous prime is 38812668187. The next prime is 38812668233. The reversal of 38812668197 is 79186621883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38812668197 - 2²⁰ = 38811619621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38812668137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317153 + ... + 422150.

It is an arithmetic number, because the mean of its divisors is an integer number (4959251232).

Almost surely, 2^38812668197 is an apocalyptic number.

It is an amenable number.

38812668197 is a deficient number, since it is larger than the sum of its proper divisors (861341659).

38812668197 is a wasteful number, since it uses less digits than its factorization.

38812668197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740467.

The product of its digits is 6967296, while the sum is 59.

The spelling of 38812668197 in words is "thirty-eight billion, eight hundred twelve million, six hundred sixty-eight thousand, one hundred ninety-seven".