885135339931 has 4 divisors (see below), whose sum is σ = 913688092864. Its totient is φ = 856582587000.

The previous prime is 885135339901. The next prime is 885135339967. The reversal of 885135339931 is 139933531588.

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 885135339931 - 2⁹ = 885135339419 is a prime.

It is a super-2 number, since 2×885135339931² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885135339901) 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, 14276376420 + ... + 14276376481.

It is an arithmetic number, because the mean of its divisors is an integer number (228422023216).

Almost surely, 2^885135339931 is an apocalyptic number.

885135339931 is a deficient number, since it is larger than the sum of its proper divisors (28552752933).

885135339931 is a wasteful number, since it uses less digits than its factorization.

885135339931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552752932.

The product of its digits is 10497600, while the sum is 58.

The spelling of 885135339931 in words is "eight hundred eighty-five billion, one hundred thirty-five million, three hundred thirty-nine thousand, nine hundred thirty-one".