897721284096 has 960 divisors, whose sum is σ = 3397843857408. Its totient is φ = 230255198208.

The previous prime is 897721284077. The next prime is 897721284107. The reversal of 897721284096 is 690482127798.

897721284096 is a `hidden beast` number, since 8 + 9 + 7 + 7 + 212 + 8 + 409 + 6 = 666.

It is a super-3 number, since 3×897721284096³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 418907601 + ... + 418909743.

Almost surely, 2^897721284096 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 897721284096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698921928704).

897721284096 is an abundant number, since it is smaller than the sum of its proper divisors (2500122573312).

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

897721284096 is a wasteful number, since it uses less digits than its factorization.

897721284096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 897721284096 in words is "eight hundred ninety-seven billion, seven hundred twenty-one million, two hundred eighty-four thousand, ninety-six".