90010663 has 2 divisors, whose sum is σ = 90010664. Its totient is φ = 90010662.

The previous prime is 90010651. The next prime is 90010673. The reversal of 90010663 is 36601009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90010663 - 2¹⁷ = 89879591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90010633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45005331 + 45005332.

It is an arithmetic number, because the mean of its divisors is an integer number (45005332).

Almost surely, 2^90010663 is an apocalyptic number.

90010663 is a deficient number, since it is larger than the sum of its proper divisors (1).

90010663 is an equidigital number, since it uses as much as digits as its factorization.

90010663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 90010663 is about 9487.3949533051. The cubic root of 90010663 is about 448.1581721860.

The spelling of 90010663 in words is "ninety million, ten thousand, six hundred sixty-three".