817600963 has 2 divisors, whose sum is σ = 817600964. Its totient is φ = 817600962.

The previous prime is 817600943. The next prime is 817601093. The reversal of 817600963 is 369006718.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 817600963 - 2¹³ = 817592771 is a prime.

It is not a weakly prime, because it can be changed into another prime (817600943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408800481 + 408800482.

It is an arithmetic number, because the mean of its divisors is an integer number (408800482).

Almost surely, 2^817600963 is an apocalyptic number.

817600963 is a deficient number, since it is larger than the sum of its proper divisors (1).

817600963 is an equidigital number, since it uses as much as digits as its factorization.

817600963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 817600963 is about 28593.7224404239. The cubic root of 817600963 is about 935.0764759623.

The spelling of 817600963 in words is "eight hundred seventeen million, six hundred thousand, nine hundred sixty-three".