2778327912 has 32 divisors (see below), whose sum is σ = 6947124480. Its totient is φ = 925935360.

The previous prime is 2778327889. The next prime is 2778327931. The reversal of 2778327912 is 2197238772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217248 + ... + 229680.

It is an arithmetic number, because the mean of its divisors is an integer number (217097640).

Almost surely, 2^2778327912 is an apocalyptic number.

It is an amenable number.

2778327912 is an abundant number, since it is smaller than the sum of its proper divisors (4168796568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2778327912 is a wasteful number, since it uses less digits than its factorization.

2778327912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21753 (or 21749 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 2778327912 is about 52709.8464425766. The cubic root of 2778327912 is about 1405.8139029453.

The spelling of 2778327912 in words is "two billion, seven hundred seventy-eight million, three hundred twenty-seven thousand, nine hundred twelve".