89827963 has 2 divisors, whose sum is σ = 89827964. Its totient is φ = 89827962.

The previous prime is 89827961. The next prime is 89827979. The reversal of 89827963 is 36972898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89827963 - 2¹ = 89827961 is a prime.

Together with 89827961, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89827963.

It is not a weakly prime, because it can be changed into another prime (89827961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44913981 + 44913982.

It is an arithmetic number, because the mean of its divisors is an integer number (44913982).

Almost surely, 2^89827963 is an apocalyptic number.

89827963 is a deficient number, since it is larger than the sum of its proper divisors (1).

89827963 is an equidigital number, since it uses as much as digits as its factorization.

89827963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 89827963 is about 9477.7614973157. The cubic root of 89827963 is about 447.8547490294.

The spelling of 89827963 in words is "eighty-nine million, eight hundred twenty-seven thousand, nine hundred sixty-three".