2687744608 has 48 divisors (see below), whose sum is σ = 5635344960. Its totient is φ = 1257465856.

The previous prime is 2687744599. The next prime is 2687744611. The reversal of 2687744608 is 8064477862.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 79833 + ... + 108391.

It is an arithmetic number, because the mean of its divisors is an integer number (117403020).

Almost surely, 2^2687744608 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 2687744608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817672480).

2687744608 is an abundant number, since it is smaller than the sum of its proper divisors (2947600352).

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

2687744608 is a wasteful number, since it uses less digits than its factorization.

2687744608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28759 (or 28751 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The square root of 2687744608 is about 51843.4625386847. The cubic root of 2687744608 is about 1390.3666213715.

The spelling of 2687744608 in words is "two billion, six hundred eighty-seven million, seven hundred forty-four thousand, six hundred eight".