881707961 has 2 divisors, whose sum is σ = 881707962. Its totient is φ = 881707960.

The previous prime is 881707919. The next prime is 881707979. The reversal of 881707961 is 169707188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878766736 + 2941225 = 29644^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 881707961 - 2¹⁰ = 881706937 is a prime.

It is not a weakly prime, because it can be changed into another prime (881707361) 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, 440853980 + 440853981.

It is an arithmetic number, because the mean of its divisors is an integer number (440853981).

Almost surely, 2^881707961 is an apocalyptic number.

It is an amenable number.

881707961 is a deficient number, since it is larger than the sum of its proper divisors (1).

881707961 is an equidigital number, since it uses as much as digits as its factorization.

881707961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 881707961 is about 29693.5676704568. The cubic root of 881707961 is about 958.9035372882.

The spelling of 881707961 in words is "eight hundred eighty-one million, seven hundred seven thousand, nine hundred sixty-one".