2823985873 has 4 divisors (see below), whose sum is σ = 2825957988. Its totient is φ = 2822013760.

The previous prime is 2823985859. The next prime is 2823985897. The reversal of 2823985873 is 3785893282.

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 2433251584 + 390734289 = 49328^2 + 19767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2823985873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2823982873) 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, 983908 + ... + 986773.

It is an arithmetic number, because the mean of its divisors is an integer number (706489497).

Almost surely, 2^2823985873 is an apocalyptic number.

It is an amenable number.

2823985873 is a deficient number, since it is larger than the sum of its proper divisors (1972115).

2823985873 is a wasteful number, since it uses less digits than its factorization.

2823985873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972114.

The product of its digits is 5806080, while the sum is 55.

The square root of 2823985873 is about 53141.1881030148. The cubic root of 2823985873 is about 1413.4729659804.

The spelling of 2823985873 in words is "two billion, eight hundred twenty-three million, nine hundred eighty-five thousand, eight hundred seventy-three".