897217419264 has 96 divisors (see below), whose sum is σ = 2393981094960. Its totient is φ = 298824237056.

The previous prime is 897217419247. The next prime is 897217419353. The reversal of 897217419264 is 462914712798.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 897217419198 and 897217419207.

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, 7417252 + ... + 7537244.

Almost surely, 2^897217419264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897217419264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196990547480).

897217419264 is an abundant number, since it is smaller than the sum of its proper divisors (1496763675696).

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

897217419264 is a wasteful number, since it uses less digits than its factorization.

897217419264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121235 (or 121215 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The spelling of 897217419264 in words is "eight hundred ninety-seven billion, two hundred seventeen million, four hundred nineteen thousand, two hundred sixty-four".