808816893 has 4 divisors (see below), whose sum is σ = 1078422528. Its totient is φ = 539211260.

The previous prime is 808816891. The next prime is 808816903. The reversal of 808816893 is 398618808.

It is a happy number.

808816893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 808816893 - 2¹ = 808816891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808816891) 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, 134802813 + ... + 134802818.

It is an arithmetic number, because the mean of its divisors is an integer number (269605632).

Almost surely, 2^808816893 is an apocalyptic number.

It is an amenable number.

808816893 is a deficient number, since it is larger than the sum of its proper divisors (269605635).

808816893 is a wasteful number, since it uses less digits than its factorization.

808816893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269605634.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 808816893 is about 28439.7062748545. The cubic root of 808816893 is about 931.7156802025.

The spelling of 808816893 in words is "eight hundred eight million, eight hundred sixteen thousand, eight hundred ninety-three".