897695568 has 160 divisors (see below), whose sum is σ = 3212651520. Its totient is φ = 233159040.

The previous prime is 897695531. The next prime is 897695587. The reversal of 897695568 is 865596798.

897695568 is a `hidden beast` number, since 8 + 9 + 7 + 69 + 5 + 568 = 666.

897695568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 19771 + ... + 46757.

It is an arithmetic number, because the mean of its divisors is an integer number (20079072).

Almost surely, 2^897695568 is an apocalyptic number.

897695568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897695568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606325760).

897695568 is an abundant number, since it is smaller than the sum of its proper divisors (2314955952).

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

897695568 is a wasteful number, since it uses less digits than its factorization.

897695568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27022 (or 27010 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The square root of 897695568 is about 29961.5681832577. The cubic root of 897695568 is about 964.6646415387.

The spelling of 897695568 in words is "eight hundred ninety-seven million, six hundred ninety-five thousand, five hundred sixty-eight".