897802164 has 96 divisors (see below), whose sum is σ = 2816674560. Its totient is φ = 241422336.

The previous prime is 897802163. The next prime is 897802177. The reversal of 897802164 is 461208798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897802163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22077 + ... + 47780.

It is an arithmetic number, because the mean of its divisors is an integer number (29340360).

Almost surely, 2^897802164 is an apocalyptic number.

897802164 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

897802164 is an abundant number, since it is smaller than the sum of its proper divisors (1918872396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897802164 is a wasteful number, since it uses less digits than its factorization.

897802164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69894 (or 69886 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 897802164 is about 29963.3470093046. The cubic root of 897802164 is about 964.7028227536.

The spelling of 897802164 in words is "eight hundred ninety-seven million, eight hundred two thousand, one hundred sixty-four".