2778536716 has 6 divisors (see below), whose sum is σ = 4862439260. Its totient is φ = 1389268356.

The previous prime is 2778536681. The next prime is 2778536723. The reversal of 2778536716 is 6176358772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347317086 + ... + 347317093.

Almost surely, 2^2778536716 is an apocalyptic number.

It is an amenable number.

2778536716 is a deficient number, since it is larger than the sum of its proper divisors (2083902544).

2778536716 is a wasteful number, since it uses less digits than its factorization.

2778536716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694634183 (or 694634181 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 2778536716 is about 52711.8270979104. The cubic root of 2778536716 is about 1405.8491198362.

The spelling of 2778536716 in words is "two billion, seven hundred seventy-eight million, five hundred thirty-six thousand, seven hundred sixteen".