2791130887 has 4 divisors (see below), whose sum is σ = 2792955496. Its totient is φ = 2789306280.

The previous prime is 2791130879. The next prime is 2791130893. The reversal of 2791130887 is 7880311972.

2791130887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2791130887 - 2³ = 2791130879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791130807) 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, 910008 + ... + 913069.

It is an arithmetic number, because the mean of its divisors is an integer number (698238874).

Almost surely, 2^2791130887 is an apocalyptic number.

2791130887 is a deficient number, since it is larger than the sum of its proper divisors (1824609).

2791130887 is a wasteful number, since it uses less digits than its factorization.

2791130887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824608.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 2791130887 is about 52831.1545113298. The cubic root of 2791130887 is about 1407.9699988160.

The spelling of 2791130887 in words is "two billion, seven hundred ninety-one million, one hundred thirty thousand, eight hundred eighty-seven".