885064446131 has 4 divisors (see below), whose sum is σ = 885087576912. Its totient is φ = 885041315352.

The previous prime is 885064446127. The next prime is 885064446139. The reversal of 885064446131 is 131644460588.

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 885064446131 - 2² = 885064446127 is a prime.

It is a super-2 number, since 2×885064446131² (a number of 25 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 885064446131.

It is not an unprimeable number, because it can be changed into a prime (885064446139) 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, 11507900 + ... + 11584553.

It is an arithmetic number, because the mean of its divisors is an integer number (221271894228).

Almost surely, 2^885064446131 is an apocalyptic number.

885064446131 is a deficient number, since it is larger than the sum of its proper divisors (23130781).

885064446131 is a wasteful number, since it uses less digits than its factorization.

885064446131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23130780.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 885064446131 in words is "eight hundred eighty-five billion, sixty-four million, four hundred forty-six thousand, one hundred thirty-one".