808880881 has 2 divisors, whose sum is σ = 808880882. Its totient is φ = 808880880.

The previous prime is 808880867. The next prime is 808880929. The reversal of 808880881 is 188088808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575280225 + 233600656 = 23985^2 + 15284^2 .

It is a cyclic number.

It is not a de Polignac number, because 808880881 - 2¹³ = 808872689 is a prime.

It is a super-2 number, since 2×808880881² = 1308576559294672322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (808880581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404440440 + 404440441.

It is an arithmetic number, because the mean of its divisors is an integer number (404440441).

Almost surely, 2^808880881 is an apocalyptic number.

It is an amenable number.

808880881 is a deficient number, since it is larger than the sum of its proper divisors (1).

808880881 is an equidigital number, since it uses as much as digits as its factorization.

808880881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262144, while the sum is 49.

The square root of 808880881 is about 28440.8312290622. The cubic root of 808880881 is about 931.7402498553.

The spelling of 808880881 in words is "eight hundred eight million, eight hundred eighty thousand, eight hundred eighty-one".