38827397831 has 16 divisors (see below), whose sum is σ = 39530177280. Its totient is φ = 38131810560.

The previous prime is 38827397827. The next prime is 38827397879. The reversal of 38827397831 is 13879372883.

It is a cyclic number.

It is not a de Polignac number, because 38827397831 - 2² = 38827397827 is a prime.

It is a super-2 number, since 2×38827397831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38827397801) 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, 12258410 + ... + 12261576.

It is an arithmetic number, because the mean of its divisors is an integer number (2470636080).

Almost surely, 2^38827397831 is an apocalyptic number.

38827397831 is a deficient number, since it is larger than the sum of its proper divisors (702779449).

38827397831 is a wasteful number, since it uses less digits than its factorization.

38827397831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234.

The product of its digits is 12192768, while the sum is 59.

The spelling of 38827397831 in words is "thirty-eight billion, eight hundred twenty-seven million, three hundred ninety-seven thousand, eight hundred thirty-one".