90559000487 has 2 divisors, whose sum is σ = 90559000488. Its totient is φ = 90559000486.

The previous prime is 90559000453. The next prime is 90559000517. The reversal of 90559000487 is 78400095509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90559000487 - 2⁶ = 90559000423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90559000417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45279500243 + 45279500244.

It is an arithmetic number, because the mean of its divisors is an integer number (45279500244).

Almost surely, 2^90559000487 is an apocalyptic number.

90559000487 is a deficient number, since it is larger than the sum of its proper divisors (1).

90559000487 is an equidigital number, since it uses as much as digits as its factorization.

90559000487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 90559000487 in words is "ninety billion, five hundred fifty-nine million, four hundred eighty-seven", and thus it is an aban number.