89770963 has 2 divisors, whose sum is σ = 89770964. Its totient is φ = 89770962.

The previous prime is 89770927. The next prime is 89770969. The reversal of 89770963 is 36907798.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89770963 is a prime.

It is not a weakly prime, because it can be changed into another prime (89770969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44885481 + 44885482.

It is an arithmetic number, because the mean of its divisors is an integer number (44885482).

Almost surely, 2^89770963 is an apocalyptic number.

89770963 is a deficient number, since it is larger than the sum of its proper divisors (1).

89770963 is an equidigital number, since it uses as much as digits as its factorization.

89770963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 89770963 is about 9474.7539809749. The cubic root of 89770963 is about 447.7600007971.

The spelling of 89770963 in words is "eighty-nine million, seven hundred seventy thousand, nine hundred sixty-three".