2781086332 has 12 divisors (see below), whose sum is σ = 4867722720. Its totient is φ = 1390308416.

The previous prime is 2781086267. The next prime is 2781086381. The reversal of 2781086332 is 2336801872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30532 + ... + 80587.

It is an arithmetic number, because the mean of its divisors is an integer number (405643560).

Almost surely, 2^2781086332 is an apocalyptic number.

It is an amenable number.

2781086332 is a deficient number, since it is larger than the sum of its proper divisors (2086636388).

2781086332 is a wasteful number, since it uses less digits than its factorization.

2781086332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117380 (or 117378 counting only the distinct ones).

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

The square root of 2781086332 is about 52736.0060300361. The cubic root of 2781086332 is about 1406.2789959401.

The spelling of 2781086332 in words is "two billion, seven hundred eighty-one million, eighty-six thousand, three hundred thirty-two".