881585584931 has 2 divisors, whose sum is σ = 881585584932. Its totient is φ = 881585584930.

The previous prime is 881585584903. The next prime is 881585584951. The reversal of 881585584931 is 139485585188.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881585584931 is a prime.

It is a super-2 number, since 2×881585584931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (881585584951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440792792465 + 440792792466.

It is an arithmetic number, because the mean of its divisors is an integer number (440792792466).

Almost surely, 2^881585584931 is an apocalyptic number.

881585584931 is a deficient number, since it is larger than the sum of its proper divisors (1).

881585584931 is an equidigital number, since it uses as much as digits as its factorization.

881585584931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296000, while the sum is 65.

The spelling of 881585584931 in words is "eight hundred eighty-one billion, five hundred eighty-five million, five hundred eighty-four thousand, nine hundred thirty-one".