90115263 has 36 divisors (see below), whose sum is σ = 152705280. Its totient is φ = 51057216.

The previous prime is 90115261. The next prime is 90115273. The reversal of 90115263 is 36251109.

It is not a de Polignac number, because 90115263 - 2¹ = 90115261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90115261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55203 + ... + 56811.

Almost surely, 2^90115263 is an apocalyptic number.

90115263 is a deficient number, since it is larger than the sum of its proper divisors (62590017).

90115263 is a wasteful number, since it uses less digits than its factorization.

90115263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 90115263 is about 9492.9059302197. The cubic root of 90115263 is about 448.3317042117.

The spelling of 90115263 in words is "ninety million, one hundred fifteen thousand, two hundred sixty-three".