2849778388 has 24 divisors (see below), whose sum is σ = 5107810400. Its totient is φ = 1390465440.

The previous prime is 2849778377. The next prime is 2849778413. The reversal of 2849778388 is 8838779482.

It is a happy number.

2849778388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2849778388³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194338 + ... + 208486.

Almost surely, 2^2849778388 is an apocalyptic number.

It is an amenable number.

2849778388 is a deficient number, since it is larger than the sum of its proper divisors (2258032012).

2849778388 is a wasteful number, since it uses less digits than its factorization.

2849778388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367 (or 15365 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 64.

The square root of 2849778388 is about 53383.3156332576. The cubic root of 2849778388 is about 1417.7631893540.

The spelling of 2849778388 in words is "two billion, eight hundred forty-nine million, seven hundred seventy-eight thousand, three hundred eighty-eight".