808791368851 has 2 divisors, whose sum is σ = 808791368852. Its totient is φ = 808791368850.

The previous prime is 808791368837. The next prime is 808791368857. The reversal of 808791368851 is 158863197808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808791368851 - 2⁹ = 808791368339 is a prime.

It is not a weakly prime, because it can be changed into another prime (808791368857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404395684425 + 404395684426.

It is an arithmetic number, because the mean of its divisors is an integer number (404395684426).

Almost surely, 2^808791368851 is an apocalyptic number.

808791368851 is a deficient number, since it is larger than the sum of its proper divisors (1).

808791368851 is an equidigital number, since it uses as much as digits as its factorization.

808791368851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 808791368851 in words is "eight hundred eight billion, seven hundred ninety-one million, three hundred sixty-eight thousand, eight hundred fifty-one".