2778296572 has 12 divisors (see below), whose sum is σ = 4862433240. Its totient is φ = 1389029936.

The previous prime is 2778296551. The next prime is 2778296579. The reversal of 2778296572 is 2756928772.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778296579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43038 + ... + 86074.

It is an arithmetic number, because the mean of its divisors is an integer number (405202770).

Almost surely, 2^2778296572 is an apocalyptic number.

It is an amenable number.

2778296572 is a deficient number, since it is larger than the sum of its proper divisors (2084136668).

2778296572 is a wasteful number, since it uses less digits than its factorization.

2778296572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59180 (or 59178 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 2778296572 is about 52709.5491538298. The cubic root of 2778296572 is about 1405.8086169873.

The spelling of 2778296572 in words is "two billion, seven hundred seventy-eight million, two hundred ninety-six thousand, five hundred seventy-two".