897272927616 has 768 divisors, whose sum is σ = 2833050816000. Its totient is φ = 250504151040.

The previous prime is 897272927609. The next prime is 897272927671. The reversal of 897272927616 is 616729272798.

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, 4508909085 + ... + 4508909283.

It is an arithmetic number, because the mean of its divisors is an integer number (3688868250).

Almost surely, 2^897272927616 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 897272927616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416525408000).

897272927616 is an abundant number, since it is smaller than the sum of its proper divisors (1935777888384).

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

897272927616 is a wasteful number, since it uses less digits than its factorization.

897272927616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 362 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 66.

The spelling of 897272927616 in words is "eight hundred ninety-seven billion, two hundred seventy-two million, nine hundred twenty-seven thousand, six hundred sixteen".