2763778628 has 24 divisors (see below), whose sum is σ = 5225438400. Its totient is φ = 1271481120.

The previous prime is 2763778583. The next prime is 2763778631. The reversal of 2763778628 is 8268773672.

2763778628 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 3×2763778628³ (a number of 29 digits) contains 333 as substring.

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, 69278 + ... + 101621.

It is an arithmetic number, because the mean of its divisors is an integer number (217726600).

Almost surely, 2^2763778628 is an apocalyptic number.

It is an amenable number.

2763778628 is a deficient number, since it is larger than the sum of its proper divisors (2461659772).

2763778628 is a wasteful number, since it uses less digits than its factorization.

2763778628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171227 (or 171225 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The square root of 2763778628 is about 52571.6523232816. The cubic root of 2763778628 is about 1403.3556626246.

The spelling of 2763778628 in words is "two billion, seven hundred sixty-three million, seven hundred seventy-eight thousand, six hundred twenty-eight".