90800044211 has 4 divisors (see below), whose sum is σ = 90809716272. Its totient is φ = 90790372152.

The previous prime is 90800044201. The next prime is 90800044303. The reversal of 90800044211 is 11244000809.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90800044211 is a prime.

It is a super-2 number, since 2×90800044211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90800044201) 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, 4821935 + ... + 4840728.

It is an arithmetic number, because the mean of its divisors is an integer number (22702429068).

Almost surely, 2^90800044211 is an apocalyptic number.

90800044211 is a deficient number, since it is larger than the sum of its proper divisors (9672061).

90800044211 is an equidigital number, since it uses as much as digits as its factorization.

90800044211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672060.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 90800044211 in words is "ninety billion, eight hundred million, forty-four thousand, two hundred eleven".