90089927 has 2 divisors, whose sum is σ = 90089928. Its totient is φ = 90089926.

The previous prime is 90089911. The next prime is 90089939. The reversal of 90089927 is 72998009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90089927 - 2⁴ = 90089911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90089947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45044963 + 45044964.

It is an arithmetic number, because the mean of its divisors is an integer number (45044964).

Almost surely, 2^90089927 is an apocalyptic number.

90089927 is a deficient number, since it is larger than the sum of its proper divisors (1).

90089927 is an equidigital number, since it uses as much as digits as its factorization.

90089927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 90089927 is about 9491.5713662175. The cubic root of 90089927 is about 448.2896839650.

The spelling of 90089927 in words is "ninety million, eighty-nine thousand, nine hundred twenty-seven".