897085761 has 32 divisors (see below), whose sum is σ = 1407974400. Its totient is φ = 500884800.

The previous prime is 897085751. The next prime is 897085771. The reversal of 897085761 is 167580798.

It is an interprime number because it is at equal distance from previous prime (897085751) and next prime (897085771).

It is not a de Polignac number, because 897085761 - 2⁵ = 897085729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897085711) 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, 255226 + ... + 258716.

It is an arithmetic number, because the mean of its divisors is an integer number (43999200).

Almost surely, 2^897085761 is an apocalyptic number.

It is an amenable number.

897085761 is a deficient number, since it is larger than the sum of its proper divisors (510888639).

897085761 is a wasteful number, since it uses less digits than its factorization.

897085761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 897085761 is about 29951.3899677461. The cubic root of 897085761 is about 964.4461589691.

The spelling of 897085761 in words is "eight hundred ninety-seven million, eighty-five thousand, seven hundred sixty-one".