897525872 has 80 divisors (see below), whose sum is σ = 1928715840. Its totient is φ = 403070976.

The previous prime is 897525791. The next prime is 897525917. The reversal of 897525872 is 278525798.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393728 + ... + 396000.

It is an arithmetic number, because the mean of its divisors is an integer number (24108948).

Almost surely, 2^897525872 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 897525872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964357920).

897525872 is an abundant number, since it is smaller than the sum of its proper divisors (1031189968).

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

897525872 is a wasteful number, since it uses less digits than its factorization.

897525872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2364 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The square root of 897525872 is about 29958.7361549182. The cubic root of 897525872 is about 964.6038525389.

The spelling of 897525872 in words is "eight hundred ninety-seven million, five hundred twenty-five thousand, eight hundred seventy-two".