38856397599 has 16 divisors (see below), whose sum is σ = 60951212640. Its totient is φ = 24380484480.

The previous prime is 38856397529. The next prime is 38856397607. The reversal of 38856397599 is 99579365883.

38856397599 is a `hidden beast` number, since 3 + 8 + 8 + 563 + 9 + 7 + 59 + 9 = 666.

It is not a de Polignac number, because 38856397599 - 2¹⁵ = 38856364831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38856397519) 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, 42326772 + ... + 42327689.

It is an arithmetic number, because the mean of its divisors is an integer number (3809450790).

Almost surely, 2^38856397599 is an apocalyptic number.

38856397599 is a deficient number, since it is larger than the sum of its proper divisors (22094815041).

38856397599 is a wasteful number, since it uses less digits than its factorization.

38856397599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84654487 (or 84654481 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

The spelling of 38856397599 in words is "thirty-eight billion, eight hundred fifty-six million, three hundred ninety-seven thousand, five hundred ninety-nine".