808368973 has 4 divisors (see below), whose sum is σ = 808442460. Its totient is φ = 808295488.

The previous prime is 808368959. The next prime is 808369013. The reversal of 808368973 is 379863808.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 619113924 + 189255049 = 24882^2 + 13757^2 .

It is a cyclic number.

It is not a de Polignac number, because 808368973 - 2⁹ = 808368461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808368973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808368923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16540 + ... + 43477.

It is an arithmetic number, because the mean of its divisors is an integer number (202110615).

Almost surely, 2^808368973 is an apocalyptic number.

It is an amenable number.

808368973 is a deficient number, since it is larger than the sum of its proper divisors (73487).

808368973 is a wasteful number, since it uses less digits than its factorization.

808368973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73486.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 808368973 is about 28431.8302787562. The cubic root of 808368973 is about 931.5436548017.

The spelling of 808368973 in words is "eight hundred eight million, three hundred sixty-eight thousand, nine hundred seventy-three".