38924875831 has 4 divisors (see below), whose sum is σ = 39010051072. Its totient is φ = 38839700592.

The previous prime is 38924875819. The next prime is 38924875841. The reversal of 38924875831 is 13857842983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38924875831 - 2⁵ = 38924875799 is a prime.

It is a super-2 number, since 2×38924875831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38924875841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42586935 + ... + 42587848.

It is an arithmetic number, because the mean of its divisors is an integer number (9752512768).

Almost surely, 2^38924875831 is an apocalyptic number.

38924875831 is a deficient number, since it is larger than the sum of its proper divisors (85175241).

38924875831 is an equidigital number, since it uses as much as digits as its factorization.

38924875831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85175240.

The product of its digits is 11612160, while the sum is 58.

The spelling of 38924875831 in words is "thirty-eight billion, nine hundred twenty-four million, eight hundred seventy-five thousand, eight hundred thirty-one".