89963809807 has 2 divisors, whose sum is σ = 89963809808. Its totient is φ = 89963809806.

The previous prime is 89963809613. The next prime is 89963809847. The reversal of 89963809807 is 70890836998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89963809807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89963809847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44981904903 + 44981904904.

It is an arithmetic number, because the mean of its divisors is an integer number (44981904904).

Almost surely, 2^89963809807 is an apocalyptic number.

89963809807 is a deficient number, since it is larger than the sum of its proper divisors (1).

89963809807 is an equidigital number, since it uses as much as digits as its factorization.

89963809807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 89963809807 in words is "eighty-nine billion, nine hundred sixty-three million, eight hundred nine thousand, eight hundred seven".