808099697687 has 2 divisors, whose sum is σ = 808099697688. Its totient is φ = 808099697686.

The previous prime is 808099697641. The next prime is 808099697689. The reversal of 808099697687 is 786796990808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808099697687 - 2³⁶ = 739380220951 is a prime.

Together with 808099697689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808099697689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404049848843 + 404049848844.

It is an arithmetic number, because the mean of its divisors is an integer number (404049848844).

Almost surely, 2^808099697687 is an apocalyptic number.

808099697687 is a deficient number, since it is larger than the sum of its proper divisors (1).

808099697687 is an equidigital number, since it uses as much as digits as its factorization.

808099697687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658409472, while the sum is 77.

The spelling of 808099697687 in words is "eight hundred eight billion, ninety-nine million, six hundred ninety-seven thousand, six hundred eighty-seven".