897718272 has 192 divisors, whose sum is σ = 2688940800. Its totient is φ = 263946240.

The previous prime is 897718259. The next prime is 897718277. The reversal of 897718272 is 272817798.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897718277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500429 + ... + 2500787.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^897718272 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 897718272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

897718272 is an abundant number, since it is smaller than the sum of its proper divisors (1791222528).

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

897718272 is a wasteful number, since it uses less digits than its factorization.

897718272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 412 counting only the distinct ones).

The product of its digits is 790272, while the sum is 51.

The square root of 897718272 is about 29961.9470662372. The cubic root of 897718272 is about 964.6727740513.

The spelling of 897718272 in words is "eight hundred ninety-seven million, seven hundred eighteen thousand, two hundred seventy-two".