90547663 has 2 divisors, whose sum is σ = 90547664. Its totient is φ = 90547662.

The previous prime is 90547643. The next prime is 90547679. The reversal of 90547663 is 36674509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90547663 - 2²¹ = 88450511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90547643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45273831 + 45273832.

It is an arithmetic number, because the mean of its divisors is an integer number (45273832).

Almost surely, 2^90547663 is an apocalyptic number.

90547663 is a deficient number, since it is larger than the sum of its proper divisors (1).

90547663 is an equidigital number, since it uses as much as digits as its factorization.

90547663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 90547663 is about 9515.6535771328. The cubic root of 90547663 is about 449.0476369052.

The spelling of 90547663 in words is "ninety million, five hundred forty-seven thousand, six hundred sixty-three".