808999353 has 16 divisors (see below), whose sum is σ = 1199136960. Its totient is φ = 539054208.

The previous prime is 808999319. The next prime is 808999361. The reversal of 808999353 is 353999808.

It is not a de Polignac number, because 808999353 - 2¹⁶ = 808933817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 808999353.

It is not an unprimeable number, because it can be changed into a prime (808999313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54601 + ... + 67817.

It is an arithmetic number, because the mean of its divisors is an integer number (74946060).

Almost surely, 2^808999353 is an apocalyptic number.

It is an amenable number.

808999353 is a deficient number, since it is larger than the sum of its proper divisors (390137607).

808999353 is a wasteful number, since it uses less digits than its factorization.

808999353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493 (or 15487 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 808999353 is about 28442.9139329992. The cubic root of 808999353 is about 931.7857364631.

The spelling of 808999353 in words is "eight hundred eight million, nine hundred ninety-nine thousand, three hundred fifty-three".