897806804 has 12 divisors (see below), whose sum is σ = 1607700864. Its totient is φ = 438463704.

The previous prime is 897806773. The next prime is 897806821. The reversal of 897806804 is 408608798.

897806804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609732 + ... + 2610075.

It is an arithmetic number, because the mean of its divisors is an integer number (133975072).

Almost surely, 2^897806804 is an apocalyptic number.

It is an amenable number.

897806804 is a deficient number, since it is larger than the sum of its proper divisors (709894060).

897806804 is a wasteful number, since it uses less digits than its factorization.

897806804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219854 (or 5219852 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 897806804 is about 29963.4244371367. The cubic root of 897806804 is about 964.7044846689.

The spelling of 897806804 in words is "eight hundred ninety-seven million, eight hundred six thousand, eight hundred four".