897805741918 has 16 divisors (see below), whose sum is σ = 1356599912976. Its totient is φ = 445613843520.

The previous prime is 897805741909. The next prime is 897805741949. The reversal of 897805741918 is 819147508798.

897805741918 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 7 ways as a sum of consecutive naturals, for example, 1795263 + ... + 2240218.

It is an arithmetic number, because the mean of its divisors is an integer number (84787494561).

Almost surely, 2^897805741918 is an apocalyptic number.

897805741918 is a deficient number, since it is larger than the sum of its proper divisors (458794171058).

897805741918 is a wasteful number, since it uses less digits than its factorization.

897805741918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036299.

The product of its (nonzero) digits is 40642560, while the sum is 67.

The spelling of 897805741918 in words is "eight hundred ninety-seven billion, eight hundred five million, seven hundred forty-one thousand, nine hundred eighteen".