2768012775 has 72 divisors (see below), whose sum is σ = 5423960880. Its totient is φ = 1338240000.

The previous prime is 2768012773. The next prime is 2768012791. The reversal of 2768012775 is 5772108672.

It is not a de Polignac number, because 2768012775 - 2¹ = 2768012773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2768012775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768012771) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 991081 + ... + 993869.

It is an arithmetic number, because the mean of its divisors is an integer number (75332790).

Almost surely, 2^2768012775 is an apocalyptic number.

2768012775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2768012775 is a deficient number, since it is larger than the sum of its proper divisors (2655948105).

2768012775 is a wasteful number, since it uses less digits than its factorization.

2768012775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 2768012775 is about 52611.9071598816. The cubic root of 2768012775 is about 1404.0719503756.

The spelling of 2768012775 in words is "two billion, seven hundred sixty-eight million, twelve thousand, seven hundred seventy-five".