877320881 has 2 divisors, whose sum is σ = 877320882. Its totient is φ = 877320880.

The previous prime is 877320841. The next prime is 877320889. The reversal of 877320881 is 188023778.

877320881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771950656 + 105370225 = 27784^2 + 10265^2 .

It is a cyclic number.

It is not a de Polignac number, because 877320881 - 2²⁶ = 810212017 is a prime.

It is a super-2 number, since 2×877320881² = 1539383856477232322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (877320889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438660440 + 438660441.

It is an arithmetic number, because the mean of its divisors is an integer number (438660441).

Almost surely, 2^877320881 is an apocalyptic number.

It is an amenable number.

877320881 is a deficient number, since it is larger than the sum of its proper divisors (1).

877320881 is an equidigital number, since it uses as much as digits as its factorization.

877320881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 877320881 is about 29619.6029851853. The cubic root of 877320881 is about 957.3104992117.

The spelling of 877320881 in words is "eight hundred seventy-seven million, three hundred twenty thousand, eight hundred eighty-one".