881217793 has 2 divisors, whose sum is σ = 881217794. Its totient is φ = 881217792.

The previous prime is 881217787. The next prime is 881217833. The reversal of 881217793 is 397712188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799079824 + 82137969 = 28268^2 + 9063^2 .

It is a cyclic number.

It is not a de Polignac number, because 881217793 - 2⁵ = 881217761 is a prime.

It is not a weakly prime, because it can be changed into another prime (881217703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440608896 + 440608897.

It is an arithmetic number, because the mean of its divisors is an integer number (440608897).

Almost surely, 2^881217793 is an apocalyptic number.

It is an amenable number.

881217793 is a deficient number, since it is larger than the sum of its proper divisors (1).

881217793 is an equidigital number, since it uses as much as digits as its factorization.

881217793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 46.

The square root of 881217793 is about 29685.3127488999. The cubic root of 881217793 is about 958.7258099012.

The spelling of 881217793 in words is "eight hundred eighty-one million, two hundred seventeen thousand, seven hundred ninety-three".