90875223833 has 2 divisors, whose sum is σ = 90875223834. Its totient is φ = 90875223832.

The previous prime is 90875223827. The next prime is 90875223883. The reversal of 90875223833 is 33832257809.

It is an a-pointer prime, because the next prime (90875223883) can be obtained adding 90875223833 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90415678864 + 459544969 = 300692^2 + 21437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90875223833 is a prime.

It is not a weakly prime, because it can be changed into another prime (90875223883) 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 as a sum of consecutive naturals, namely, 45437611916 + 45437611917.

It is an arithmetic number, because the mean of its divisors is an integer number (45437611917).

Almost surely, 2^90875223833 is an apocalyptic number.

It is an amenable number.

90875223833 is a deficient number, since it is larger than the sum of its proper divisors (1).

90875223833 is an equidigital number, since it uses as much as digits as its factorization.

90875223833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 90875223833 in words is "ninety billion, eight hundred seventy-five million, two hundred twenty-three thousand, eight hundred thirty-three".