2776820312 has 16 divisors (see below), whose sum is σ = 5950329360. Its totient is φ = 1190065824.

The previous prime is 2776820311. The next prime is 2776820317. The reversal of 2776820312 is 2130286772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2776820311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24792983 + ... + 24793094.

It is an arithmetic number, because the mean of its divisors is an integer number (371895585).

Almost surely, 2^2776820312 is an apocalyptic number.

It is an amenable number.

2776820312 is an abundant number, since it is smaller than the sum of its proper divisors (3173509048).

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

2776820312 is a wasteful number, since it uses less digits than its factorization.

2776820312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49586090 (or 49586086 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 2776820312 is about 52695.5435686928. The cubic root of 2776820312 is about 1405.5595786931.

The spelling of 2776820312 in words is "two billion, seven hundred seventy-six million, eight hundred twenty thousand, three hundred twelve".