2778353832 has 16 divisors (see below), whose sum is σ = 6945884640. Its totient is φ = 926117936.

The previous prime is 2778353821. The next prime is 2778353833. The reversal of 2778353832 is 2383538772.

It is not an unprimeable number, because it can be changed into a prime (2778353833) by changing a digit.

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, 57882348 + ... + 57882395.

It is an arithmetic number, because the mean of its divisors is an integer number (434117790).

Almost surely, 2^2778353832 is an apocalyptic number.

It is an amenable number.

2778353832 is an abundant number, since it is smaller than the sum of its proper divisors (4167530808).

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

2778353832 is a wasteful number, since it uses less digits than its factorization.

2778353832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115764752 (or 115764748 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 2778353832 is about 52710.0923163677. The cubic root of 2778353832 is about 1405.8182747094.

The spelling of 2778353832 in words is "two billion, seven hundred seventy-eight million, three hundred fifty-three thousand, eight hundred thirty-two".