89963087 has 2 divisors, whose sum is σ = 89963088. Its totient is φ = 89963086.

The previous prime is 89963063. The next prime is 89963113. The reversal of 89963087 is 78036998.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89963087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89963387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44981543 + 44981544.

It is an arithmetic number, because the mean of its divisors is an integer number (44981544).

Almost surely, 2^89963087 is an apocalyptic number.

89963087 is a deficient number, since it is larger than the sum of its proper divisors (1).

89963087 is an equidigital number, since it uses as much as digits as its factorization.

89963087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 89963087 is about 9484.8872950605. The cubic root of 89963087 is about 448.0791988356.

The spelling of 89963087 in words is "eighty-nine million, nine hundred sixty-three thousand, eighty-seven".