2777872740 has 48 divisors (see below), whose sum is σ = 7798959168. Its totient is φ = 738774144.

The previous prime is 2777872733. The next prime is 2777872841. The reversal of 2777872740 is 472787772.

2777872740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39682 + ... + 84441.

It is an arithmetic number, because the mean of its divisors is an integer number (162478316).

Almost surely, 2^2777872740 is an apocalyptic number.

2777872740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2777872740 is an abundant number, since it is smaller than the sum of its proper divisors (5021086428).

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

2777872740 is a wasteful number, since it uses less digits than its factorization.

2777872740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124508 (or 124506 counting only the distinct ones).

The product of its (nonzero) digits is 2151296, while the sum is 51.

The square root of 2777872740 is about 52705.5285525152. The cubic root of 2777872740 is about 1405.7371275017.

The spelling of 2777872740 in words is "two billion, seven hundred seventy-seven million, eight hundred seventy-two thousand, seven hundred forty".