808299080665 has 8 divisors (see below), whose sum is σ = 1027015302600. Its totient is φ = 608601660672.

The previous prime is 808299080629. The next prime is 808299080689. The reversal of 808299080665 is 566080992808.

808299080665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 164254310089 + 644044770576 = 405283^2 + 802524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 808299080665 - 2¹¹ = 808299078617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754700390 + ... + 4754700559.

It is an arithmetic number, because the mean of its divisors is an integer number (128376912825).

Almost surely, 2^808299080665 is an apocalyptic number.

808299080665 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

808299080665 is a deficient number, since it is larger than the sum of its proper divisors (218716221935).

808299080665 is a wasteful number, since it uses less digits than its factorization.

808299080665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509400971.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 808299080665 in words is "eight hundred eight billion, two hundred ninety-nine million, eighty thousand, six hundred sixty-five".