808666494 has 16 divisors (see below), whose sum is σ = 1627636368. Its totient is φ = 267838272.

The previous prime is 808666477. The next prime is 808666513. The reversal of 808666494 is 494666808.

808666494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 428287 + ... + 430170.

It is an arithmetic number, because the mean of its divisors is an integer number (101727273).

Almost surely, 2^808666494 is an apocalyptic number.

808666494 is an abundant number, since it is smaller than the sum of its proper divisors (818969874).

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

808666494 is a wasteful number, since it uses less digits than its factorization.

808666494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858619.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 808666494 is about 28437.0619790442. The cubic root of 808666494 is about 931.6579259715.

The spelling of 808666494 in words is "eight hundred eight million, six hundred sixty-six thousand, four hundred ninety-four".