2768693816 has 32 divisors (see below), whose sum is σ = 6190871040. Its totient is φ = 1134991968.

The previous prime is 2768693783. The next prime is 2768693833. The reversal of 2768693816 is 6183968672.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 1073516 + ... + 1076091.

It is an arithmetic number, because the mean of its divisors is an integer number (193464720).

Almost surely, 2^2768693816 is an apocalyptic number.

It is an amenable number.

2768693816 is an abundant number, since it is smaller than the sum of its proper divisors (3422177224).

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

2768693816 is a wasteful number, since it uses less digits than its factorization.

2768693816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149643 (or 2149639 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 2768693816 is about 52618.3790704351. The cubic root of 2768693816 is about 1404.1870934078.

The spelling of 2768693816 in words is "two billion, seven hundred sixty-eight million, six hundred ninety-three thousand, eight hundred sixteen".