897406718976 has 880 divisors, whose sum is σ = 2960069688576. Its totient is φ = 269646299136.

The previous prime is 897406718969. The next prime is 897406719019. The reversal of 897406718976 is 679817604798.

897406718976 is a `hidden beast` number, since 8 + 9 + 7 + 406 + 71 + 89 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 79 ways as a sum of consecutive naturals, for example, 5373692845 + ... + 5373693011.

Almost surely, 2^897406718976 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 897406718976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480034844288).

897406718976 is an abundant number, since it is smaller than the sum of its proper divisors (2062662969600).

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

897406718976 is a wasteful number, since it uses less digits than its factorization.

897406718976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 897406718976 in words is "eight hundred ninety-seven billion, four hundred six million, seven hundred eighteen thousand, nine hundred seventy-six".