2688397376 has 56 divisors (see below), whose sum is σ = 6293607936. Its totient is φ = 1114997760.

The previous prime is 2688397333. The next prime is 2688397399. The reversal of 2688397376 is 6737938862.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82901 + ... + 110676.

It is an arithmetic number, because the mean of its divisors is an integer number (112385856).

Almost surely, 2^2688397376 is an apocalyptic number.

It is an amenable number.

2688397376 is an abundant number, since it is smaller than the sum of its proper divisors (3605210560).

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

2688397376 is a wasteful number, since it uses less digits than its factorization.

2688397376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193627 (or 193617 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 2688397376 is about 51849.7577236384. The cubic root of 2688397376 is about 1390.4791709259.

The spelling of 2688397376 in words is "two billion, six hundred eighty-eight million, three hundred ninety-seven thousand, three hundred seventy-six".