808811936205 has 72 divisors (see below), whose sum is σ = 1630086917472. Its totient is φ = 341300808576.

The previous prime is 808811936159. The next prime is 808811936227. The reversal of 808811936205 is 502639118808.

It is not a de Polignac number, because 808811936205 - 2⁷ = 808811936077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3131479 + ... + 3379908.

It is an arithmetic number, because the mean of its divisors is an integer number (22640096076).

Almost surely, 2^808811936205 is an apocalyptic number.

It is an amenable number.

808811936205 is an abundant number, since it is smaller than the sum of its proper divisors (821274981267).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808811936205 is a wasteful number, since it uses less digits than its factorization.

808811936205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511435 (or 6511415 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 808811936205 in words is "eight hundred eight billion, eight hundred eleven million, nine hundred thirty-six thousand, two hundred five".