897632697 has 32 divisors (see below), whose sum is σ = 1324951936. Its totient is φ = 537062400.

The previous prime is 897632693. The next prime is 897632699. The reversal of 897632697 is 796236798.

It is a happy number.

It is not a de Polignac number, because 897632697 - 2² = 897632693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897632693) 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, 403047 + ... + 405267.

It is an arithmetic number, because the mean of its divisors is an integer number (41404748).

Almost surely, 2^897632697 is an apocalyptic number.

It is an amenable number.

897632697 is a deficient number, since it is larger than the sum of its proper divisors (427319239).

897632697 is a wasteful number, since it uses less digits than its factorization.

897632697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its digits is 6858432, while the sum is 57.

The square root of 897632697 is about 29960.5189708056. The cubic root of 897632697 is about 964.6421205978.

The spelling of 897632697 in words is "eight hundred ninety-seven million, six hundred thirty-two thousand, six hundred ninety-seven".