2689330887 has 12 divisors (see below), whose sum is σ = 3901555320. Its totient is φ = 1785056688.

The previous prime is 2689330873. The next prime is 2689330907. The reversal of 2689330887 is 7880339862.

It is not a de Polignac number, because 2689330887 - 2⁴ = 2689330871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689330807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 650373 + ... + 654494.

It is an arithmetic number, because the mean of its divisors is an integer number (325129610).

Almost surely, 2^2689330887 is an apocalyptic number.

2689330887 is a deficient number, since it is larger than the sum of its proper divisors (1212224433).

2689330887 is a wasteful number, since it uses less digits than its factorization.

2689330887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305102 (or 1305099 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 2689330887 is about 51858.7590190895. The cubic root of 2689330887 is about 1390.6400942330.

The spelling of 2689330887 in words is "two billion, six hundred eighty-nine million, three hundred thirty thousand, eight hundred eighty-seven".