808897385 has 8 divisors (see below), whose sum is σ = 980288136. Its totient is φ = 640710400.

The previous prime is 808897379. The next prime is 808897403. The reversal of 808897385 is 583798808.

808897385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 100060009 + 708837376 = 10003^2 + 26624^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 808897385 - 2⁸ = 808897129 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 808897385.

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, 800384 + ... + 801393.

It is an arithmetic number, because the mean of its divisors is an integer number (122536017).

Almost surely, 2^808897385 is an apocalyptic number.

It is an amenable number.

808897385 is a deficient number, since it is larger than the sum of its proper divisors (171390751).

808897385 is a wasteful number, since it uses less digits than its factorization.

808897385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601883.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 808897385 is about 28441.1213738137. The cubic root of 808897385 is about 931.7465867326.

The spelling of 808897385 in words is "eight hundred eight million, eight hundred ninety-seven thousand, three hundred eighty-five".