2774939768 has 8 divisors (see below), whose sum is σ = 5203012080. Its totient is φ = 1387469880.

The previous prime is 2774939753. The next prime is 2774939773. The reversal of 2774939768 is 8679394772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2774939768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173433728 + ... + 173433743.

It is an arithmetic number, because the mean of its divisors is an integer number (650376510).

Almost surely, 2^2774939768 is an apocalyptic number.

It is an amenable number.

2774939768 is a deficient number, since it is larger than the sum of its proper divisors (2428072312).

2774939768 is a wasteful number, since it uses less digits than its factorization.

2774939768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346867477 (or 346867473 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 62.

The square root of 2774939768 is about 52677.6970643175. The cubic root of 2774939768 is about 1405.2422116752.

The spelling of 2774939768 in words is "two billion, seven hundred seventy-four million, nine hundred thirty-nine thousand, seven hundred sixty-eight".