2768016647 has 4 divisors (see below), whose sum is σ = 3019654536. Its totient is φ = 2516378760.

The previous prime is 2768016631. The next prime is 2768016659. The reversal of 2768016647 is 7466108672.

It is a happy number.

2768016647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2768016647 - 2⁴ = 2768016631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768016617) 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, 125818928 + ... + 125818949.

It is an arithmetic number, because the mean of its divisors is an integer number (754913634).

Almost surely, 2^2768016647 is an apocalyptic number.

2768016647 is a deficient number, since it is larger than the sum of its proper divisors (251637889).

2768016647 is a wasteful number, since it uses less digits than its factorization.

2768016647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251637888.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 2768016647 is about 52611.9439576224. The cubic root of 2768016647 is about 1404.0726050648.

The spelling of 2768016647 in words is "two billion, seven hundred sixty-eight million, sixteen thousand, six hundred forty-seven".