2667687284 has 6 divisors (see below), whose sum is σ = 4668452754. Its totient is φ = 1333843640.

The previous prime is 2667687251. The next prime is 2667687289. The reversal of 2667687284 is 4827867662.

2667687284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1836979600 + 830707684 = 42860^2 + 28822^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667687289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333460907 + ... + 333460914.

It is an arithmetic number, because the mean of its divisors is an integer number (778075459).

Almost surely, 2^2667687284 is an apocalyptic number.

It is an amenable number.

2667687284 is a deficient number, since it is larger than the sum of its proper divisors (2000765470).

2667687284 is a wasteful number, since it uses less digits than its factorization.

2667687284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666921825 (or 666921823 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The square root of 2667687284 is about 51649.6590889040. The cubic root of 2667687284 is about 1386.8994402696.

The spelling of 2667687284 in words is "two billion, six hundred sixty-seven million, six hundred eighty-seven thousand, two hundred eighty-four".