2878391076 has 72 divisors (see below), whose sum is σ = 7397651520. Its totient is φ = 870429120.

The previous prime is 2878391071. The next prime is 2878391161. The reversal of 2878391076 is 6701938782.

It is not an unprimeable number, because it can be changed into a prime (2878391071) 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 23 ways as a sum of consecutive naturals, for example, 806985 + ... + 810543.

It is an arithmetic number, because the mean of its divisors is an integer number (102745160).

Almost surely, 2^2878391076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878391076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698825760).

2878391076 is an abundant number, since it is smaller than the sum of its proper divisors (4519260444).

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

2878391076 is a wasteful number, since it uses less digits than its factorization.

2878391076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 2878391076 is about 53650.6391015056. The cubic root of 2878391076 is about 1422.4923293415.

The spelling of 2878391076 in words is "two billion, eight hundred seventy-eight million, three hundred ninety-one thousand, seventy-six".