38885464012831 has 4 divisors (see below), whose sum is σ = 39465844072792. Its totient is φ = 38305083952872.

The previous prime is 38885464012823. The next prime is 38885464012859. The reversal of 38885464012831 is 13821046458883.

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 38885464012831 - 2³ = 38885464012823 is a prime.

It is a super-2 number, since 2×38885464012831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38885464012831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38885164012831) 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, 290190029880 + ... + 290190030013.

It is an arithmetic number, because the mean of its divisors is an integer number (9866461018198).

Almost surely, 2^{38885464012831} is an apocalyptic number.

38885464012831 is a deficient number, since it is larger than the sum of its proper divisors (580380059961).

38885464012831 is an equidigital number, since it uses as much as digits as its factorization.

38885464012831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580380059960.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 38885464012831 in words is "thirty-eight trillion, eight hundred eighty-five billion, four hundred sixty-four million, twelve thousand, eight hundred thirty-one".