2877728740 has 12 divisors (see below), whose sum is σ = 6043230396. Its totient is φ = 1151091488.

The previous prime is 2877728731. The next prime is 2877728753. The reversal of 2877728740 is 478277782.

It can be written as a sum of positive squares in 2 ways, for example, as 758231296 + 2119497444 = 27536^2 + 46038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71943199 + ... + 71943238.

It is an arithmetic number, because the mean of its divisors is an integer number (503602533).

Almost surely, 2^2877728740 is an apocalyptic number.

2877728740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2877728740 is an abundant number, since it is smaller than the sum of its proper divisors (3165501656).

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

2877728740 is a wasteful number, since it uses less digits than its factorization.

2877728740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143886446 (or 143886444 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 52.

The square root of 2877728740 is about 53644.4660706023. The cubic root of 2877728740 is about 1422.3832128096.

The spelling of 2877728740 in words is "two billion, eight hundred seventy-seven million, seven hundred twenty-eight thousand, seven hundred forty".