89540963 has 2 divisors, whose sum is σ = 89540964. Its totient is φ = 89540962.

The previous prime is 89540933. The next prime is 89541013. The reversal of 89540963 is 36904598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89540963 - 2²⁰ = 88492387 is a prime.

It is not a weakly prime, because it can be changed into another prime (89540923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44770481 + 44770482.

It is an arithmetic number, because the mean of its divisors is an integer number (44770482).

Almost surely, 2^89540963 is an apocalyptic number.

89540963 is a deficient number, since it is larger than the sum of its proper divisors (1).

89540963 is an equidigital number, since it uses as much as digits as its factorization.

89540963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 89540963 is about 9462.6086783719. The cubic root of 89540963 is about 447.3772754192.

The spelling of 89540963 in words is "eighty-nine million, five hundred forty thousand, nine hundred sixty-three".