881112257 has 2 divisors, whose sum is σ = 881112258. Its totient is φ = 881112256.

The previous prime is 881112233. The next prime is 881112259. The reversal of 881112257 is 752211188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675792016 + 205320241 = 25996^2 + 14329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881112257 is a prime.

Together with 881112259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (881112259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440556128 + 440556129.

It is an arithmetic number, because the mean of its divisors is an integer number (440556129).

Almost surely, 2^881112257 is an apocalyptic number.

It is an amenable number.

881112257 is a deficient number, since it is larger than the sum of its proper divisors (1).

881112257 is an equidigital number, since it uses as much as digits as its factorization.

881112257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 35.

The square root of 881112257 is about 29683.5351162896. The cubic root of 881112257 is about 958.6875355467.

The spelling of 881112257 in words is "eight hundred eighty-one million, one hundred twelve thousand, two hundred fifty-seven".