808790867 has 2 divisors, whose sum is σ = 808790868. Its totient is φ = 808790866.

The previous prime is 808790849. The next prime is 808790869. The reversal of 808790867 is 768097808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808790867 - 2⁸ = 808790611 is a prime.

It is a super-2 number, since 2×808790867² = 1308285333085223378, which contains 22 as substring.

Together with 808790869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (808790869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404395433 + 404395434.

It is an arithmetic number, because the mean of its divisors is an integer number (404395434).

Almost surely, 2^808790867 is an apocalyptic number.

808790867 is a deficient number, since it is larger than the sum of its proper divisors (1).

808790867 is an equidigital number, since it uses as much as digits as its factorization.

808790867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 808790867 is about 28439.2487066730. The cubic root of 808790867 is about 931.7056865552.

The spelling of 808790867 in words is "eight hundred eight million, seven hundred ninety thousand, eight hundred sixty-seven".