897958963 has 4 divisors (see below), whose sum is σ = 979591608. Its totient is φ = 816326320.

The previous prime is 897958949. The next prime is 897958969. The reversal of 897958963 is 369859798.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897958963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 897958895 and 897958904.

It is not an unprimeable number, because it can be changed into a prime (897958969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40816306 + ... + 40816327.

It is an arithmetic number, because the mean of its divisors is an integer number (244897902).

Almost surely, 2^897958963 is an apocalyptic number.

897958963 is a deficient number, since it is larger than the sum of its proper divisors (81632645).

897958963 is a wasteful number, since it uses less digits than its factorization.

897958963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81632644.

The product of its digits is 29393280, while the sum is 64.

The square root of 897958963 is about 29965.9634085073. The cubic root of 897958963 is about 964.7589804978.

The spelling of 897958963 in words is "eight hundred ninety-seven million, nine hundred fifty-eight thousand, nine hundred sixty-three".