2671992887 has 4 divisors (see below), whose sum is σ = 2680584816. Its totient is φ = 2663400960.

The previous prime is 2671992881. The next prime is 2671992929. The reversal of 2671992887 is 7882991762.

2671992887 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, and also an emirpimes, since its reverse is a distinct semiprime: 7882991762 = 2 ⋅3941495881.

It is a cyclic number.

It is not a de Polignac number, because 2671992887 - 2¹⁰ = 2671991863 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 (2671992881) 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, 4295498 + ... + 4296119.

It is an arithmetic number, because the mean of its divisors is an integer number (670146204).

Almost surely, 2^2671992887 is an apocalyptic number.

2671992887 is a deficient number, since it is larger than the sum of its proper divisors (8591929).

2671992887 is an equidigital number, since it uses as much as digits as its factorization.

2671992887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591928.

The product of its digits is 6096384, while the sum is 59.

The square root of 2671992887 is about 51691.3231306764. The cubic root of 2671992887 is about 1387.6451834336.

The spelling of 2671992887 in words is "two billion, six hundred seventy-one million, nine hundred ninety-two thousand, eight hundred eighty-seven".