881349797 has 2 divisors, whose sum is σ = 881349798. Its totient is φ = 881349796.

The previous prime is 881349737. The next prime is 881349839. The reversal of 881349797 is 797943188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797554081 + 83795716 = 28241^2 + 9154^2 .

It is a cyclic number.

It is not a de Polignac number, because 881349797 - 2⁸ = 881349541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881349727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440674898 + 440674899.

It is an arithmetic number, because the mean of its divisors is an integer number (440674899).

Almost surely, 2^881349797 is an apocalyptic number.

It is an amenable number.

881349797 is a deficient number, since it is larger than the sum of its proper divisors (1).

881349797 is an equidigital number, since it uses as much as digits as its factorization.

881349797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 881349797 is about 29687.5360547149. The cubic root of 881349797 is about 958.7736790069.

The spelling of 881349797 in words is "eight hundred eighty-one million, three hundred forty-nine thousand, seven hundred ninety-seven".