2778468713 has 16 divisors (see below), whose sum is σ = 2955463680. Its totient is φ = 2607422400.

The previous prime is 2778468683. The next prime is 2778468731. The reversal of 2778468713 is 3178648772.

It is not a de Polignac number, because 2778468713 - 2¹² = 2778464617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2778468013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352823 + ... + 360611.

It is an arithmetic number, because the mean of its divisors is an integer number (184716480).

Almost surely, 2^2778468713 is an apocalyptic number.

It is an amenable number.

2778468713 is a deficient number, since it is larger than the sum of its proper divisors (176994967).

2778468713 is a wasteful number, since it uses less digits than its factorization.

2778468713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168.

The product of its digits is 3161088, while the sum is 53.

The square root of 2778468713 is about 52711.1820489733. The cubic root of 2778468713 is about 1405.8376506412.

The spelling of 2778468713 in words is "two billion, seven hundred seventy-eight million, four hundred sixty-eight thousand, seven hundred thirteen".