2776220736 has 28 divisors (see below), whose sum is σ = 7345417872. Its totient is φ = 925406848.

The previous prime is 2776220731. The next prime is 2776220753. The reversal of 2776220736 is 6370226772.

It is not an unprimeable number, because it can be changed into a prime (2776220731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7229550 + ... + 7229933.

Almost surely, 2^2776220736 is an apocalyptic number.

It is an amenable number.

2776220736 is an abundant number, since it is smaller than the sum of its proper divisors (4569197136).

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

2776220736 is a wasteful number, since it uses less digits than its factorization.

2776220736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459498 (or 14459488 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 2776220736 is about 52689.8542036320. The cubic root of 2776220736 is about 1405.4584077664.

The spelling of 2776220736 in words is "two billion, seven hundred seventy-six million, two hundred twenty thousand, seven hundred thirty-six".