2860328881 has 4 divisors (see below), whose sum is σ = 2881207332. Its totient is φ = 2839450432.

The previous prime is 2860328873. The next prime is 2860328923. The reversal of 2860328881 is 1888230682.

It is a happy number.

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 2350698256 + 509630625 = 48484^2 + 22575^2 .

It is a cyclic number.

It is not a de Polignac number, because 2860328881 - 2³ = 2860328873 is a prime.

It is a super-2 number, since 2×2860328881² = 16362962614965424322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2860326881) 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, 10439020 + ... + 10439293.

It is an arithmetic number, because the mean of its divisors is an integer number (720301833).

Almost surely, 2^2860328881 is an apocalyptic number.

It is an amenable number.

2860328881 is a deficient number, since it is larger than the sum of its proper divisors (20878451).

2860328881 is a wasteful number, since it uses less digits than its factorization.

2860328881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20878450.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 2860328881 is about 53482.0426031018. The cubic root of 2860328881 is about 1419.5106561245.

The spelling of 2860328881 in words is "two billion, eight hundred sixty million, three hundred twenty-eight thousand, eight hundred eighty-one".