2085848881 has 4 divisors (see below), whose sum is σ = 2208545892. Its totient is φ = 1963151872.

The previous prime is 2085848879. The next prime is 2085848893. The reversal of 2085848881 is 1888485802.

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 807071281 + 1278777600 = 28409^2 + 35760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085848881 - 2¹ = 2085848879 is a prime.

It is a super-2 number, since 2×2085848881² = 8701531108737904322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085888881) 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, 61348480 + ... + 61348513.

It is an arithmetic number, because the mean of its divisors is an integer number (552136473).

Almost surely, 2^2085848881 is an apocalyptic number.

It is an amenable number.

2085848881 is a deficient number, since it is larger than the sum of its proper divisors (122697011).

2085848881 is a wasteful number, since it uses less digits than its factorization.

2085848881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122697010.

The product of its (nonzero) digits is 1310720, while the sum is 52.

The square root of 2085848881 is about 45671.0945894665. The cubic root of 2085848881 is about 1277.6962306704.

The spelling of 2085848881 in words is "two billion, eighty-five million, eight hundred forty-eight thousand, eight hundred eighty-one".