2768793872 has 20 divisors (see below), whose sum is σ = 5777195340. Its totient is φ = 1277904768.

The previous prime is 2768793871. The next prime is 2768793917. The reversal of 2768793872 is 2783978672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 294328336 + 2474465536 = 17156^2 + 49744^2 .

It is not an unprimeable number, because it can be changed into a prime (2768793871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6655547 + ... + 6655962.

It is an arithmetic number, because the mean of its divisors is an integer number (288859767).

Almost surely, 2^2768793872 is an apocalyptic number.

It is an amenable number.

2768793872 is an abundant number, since it is smaller than the sum of its proper divisors (3008401468).

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

2768793872 is a wasteful number, since it uses less digits than its factorization.

2768793872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311530 (or 13311524 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The square root of 2768793872 is about 52619.3298322964. The cubic root of 2768793872 is about 1404.2040082012.

The spelling of 2768793872 in words is "two billion, seven hundred sixty-eight million, seven hundred ninety-three thousand, eight hundred seventy-two".