897081588 has 96 divisors (see below), whose sum is σ = 2512939520. Its totient is φ = 275114880.

The previous prime is 897081583. The next prime is 897081629. The reversal of 897081588 is 885180798.

897081588 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 (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897081583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514398 + ... + 516138.

Almost surely, 2^897081588 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 897081588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256469760).

897081588 is an abundant number, since it is smaller than the sum of its proper divisors (1615857932).

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

897081588 is a wasteful number, since it uses less digits than its factorization.

897081588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 54.

The square root of 897081588 is about 29951.3203047879. The cubic root of 897081588 is about 964.4446635193. Note that the first 3 decimals are identical.

The spelling of 897081588 in words is "eight hundred ninety-seven million, eighty-one thousand, five hundred eighty-eight".