2087216833 has 4 divisors (see below), whose sum is σ = 2247771988. Its totient is φ = 1926661680.

The previous prime is 2087216819. The next prime is 2087216839. The reversal of 2087216833 is 3386127802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1440430209 + 646786624 = 37953^2 + 25432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087216833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087216839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80277558 + ... + 80277583.

It is an arithmetic number, because the mean of its divisors is an integer number (561942997).

Almost surely, 2^2087216833 is an apocalyptic number.

It is an amenable number.

2087216833 is a deficient number, since it is larger than the sum of its proper divisors (160555155).

2087216833 is a wasteful number, since it uses less digits than its factorization.

2087216833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160555154.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2087216833 is about 45686.0682593720. The cubic root of 2087216833 is about 1277.9754847077.

The spelling of 2087216833 in words is "two billion, eighty-seven million, two hundred sixteen thousand, eight hundred thirty-three".