90665503883 has 4 divisors (see below), whose sum is σ = 90734874360. Its totient is φ = 90596133408.

The previous prime is 90665503871. The next prime is 90665503889. The reversal of 90665503883 is 38830556609.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90665503883 - 2¹⁸ = 90665241739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90665503889) 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 3 ways as a sum of consecutive naturals, for example, 34683278 + ... + 34685891.

It is an arithmetic number, because the mean of its divisors is an integer number (22683718590).

Almost surely, 2^90665503883 is an apocalyptic number.

90665503883 is a deficient number, since it is larger than the sum of its proper divisors (69370477).

90665503883 is a wasteful number, since it uses less digits than its factorization.

90665503883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69370476.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 90665503883 in words is "ninety billion, six hundred sixty-five million, five hundred three thousand, eight hundred eighty-three".