881307239 has 2 divisors, whose sum is σ = 881307240. Its totient is φ = 881307238.

The previous prime is 881307211. The next prime is 881307241. The reversal of 881307239 is 932703188.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 881307239 - 2¹⁶ = 881241703 is a prime.

Together with 881307241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 881307196 and 881307205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881307209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440653619 + 440653620.

It is an arithmetic number, because the mean of its divisors is an integer number (440653620).

Almost surely, 2^881307239 is an apocalyptic number.

881307239 is a deficient number, since it is larger than the sum of its proper divisors (1).

881307239 is an equidigital number, since it uses as much as digits as its factorization.

881307239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 881307239 is about 29686.8192806168. The cubic root of 881307239 is about 958.7582465618.

The spelling of 881307239 in words is "eight hundred eighty-one million, three hundred seven thousand, two hundred thirty-nine".