90262663 has 2 divisors, whose sum is σ = 90262664. Its totient is φ = 90262662.

The previous prime is 90262661. The next prime is 90262687. The reversal of 90262663 is 36626209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90262663 - 2¹ = 90262661 is a prime.

Together with 90262661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90262661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45131331 + 45131332.

It is an arithmetic number, because the mean of its divisors is an integer number (45131332).

Almost surely, 2^90262663 is an apocalyptic number.

90262663 is a deficient number, since it is larger than the sum of its proper divisors (1).

90262663 is an equidigital number, since it uses as much as digits as its factorization.

90262663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 90262663 is about 9500.6664503076. Note that the first 3 decimals coincide. The cubic root of 90262663 is about 448.5760138984.

The spelling of 90262663 in words is "ninety million, two hundred sixty-two thousand, six hundred sixty-three".