897985203384 has 16 divisors (see below), whose sum is σ = 2244963008520. Its totient is φ = 299328401120.

The previous prime is 897985203373. The next prime is 897985203421. The reversal of 897985203384 is 483302589798.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18708025047 + ... + 18708025094.

Almost surely, 2^897985203384 is an apocalyptic number.

It is an amenable number.

897985203384 is an abundant number, since it is smaller than the sum of its proper divisors (1346977805136).

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

897985203384 is a wasteful number, since it uses less digits than its factorization.

897985203384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37416050150 (or 37416050146 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 897985203384 in words is "eight hundred ninety-seven billion, nine hundred eighty-five million, two hundred three thousand, three hundred eighty-four".