90875223843 has 4 divisors (see below), whose sum is σ = 121166965128. Its totient is φ = 60583482560.

The previous prime is 90875223833. The next prime is 90875223883. The reversal of 90875223843 is 34832257809.

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 90875223843 - 2⁴ = 90875223827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90875223833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15145870638 + ... + 15145870643.

It is an arithmetic number, because the mean of its divisors is an integer number (30291741282).

Almost surely, 2^90875223843 is an apocalyptic number.

90875223843 is a deficient number, since it is larger than the sum of its proper divisors (30291741285).

90875223843 is a wasteful number, since it uses less digits than its factorization.

90875223843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30291741284.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 90875223843 in words is "ninety billion, eight hundred seventy-five million, two hundred twenty-three thousand, eight hundred forty-three".