805495668 has 24 divisors (see below), whose sum is σ = 1880319168. Its totient is φ = 268380096.

The previous prime is 805495631. The next prime is 805495681. The reversal of 805495668 is 866594508.

It is a self number, because there is not a number n which added to its sum of digits gives 805495668.

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, 16105 + ... + 43247.

It is an arithmetic number, because the mean of its divisors is an integer number (78346632).

Almost surely, 2^805495668 is an apocalyptic number.

It is an amenable number.

805495668 is an abundant number, since it is smaller than the sum of its proper divisors (1074823500).

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

805495668 is a wasteful number, since it uses less digits than its factorization.

805495668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29623 (or 29621 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 805495668 is about 28381.2555747627. The cubic root of 805495668 is about 930.4386368802.

The spelling of 805495668 in words is "eight hundred five million, four hundred ninety-five thousand, six hundred sixty-eight".