2543347885 has 48 divisors (see below), whose sum is σ = 3490228224. Its totient is φ = 1768397184.

The previous prime is 2543347861. The next prime is 2543347907. The reversal of 2543347885 is 5887433452.

2543347885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2543347885 - 2⁵ = 2543347853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6640404 + ... + 6640786.

It is an arithmetic number, because the mean of its divisors is an integer number (72713088).

Almost surely, 2^2543347885 is an apocalyptic number.

It is an amenable number.

2543347885 is a deficient number, since it is larger than the sum of its proper divisors (946880339).

2543347885 is a wasteful number, since it uses less digits than its factorization.

2543347885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 703 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The square root of 2543347885 is about 50431.6159269163. The cubic root of 2543347885 is about 1365.0081864734.

The spelling of 2543347885 in words is "two billion, five hundred forty-three million, three hundred forty-seven thousand, eight hundred eighty-five".