6840366872 has 16 divisors (see below), whose sum is σ = 12827965560. Its totient is φ = 3419576064.

The previous prime is 6840366847. The next prime is 6840366877. The reversal of 6840366872 is 2786630486.

It is a self number, because there is not a number n which added to its sum of digits gives 6840366872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840366877) 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, 26138 + ... + 119849.

Almost surely, 2^6840366872 is an apocalyptic number.

It is an amenable number.

6840366872 is a deficient number, since it is larger than the sum of its proper divisors (5987598688).

6840366872 is a wasteful number, since it uses less digits than its factorization.

6840366872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151850 (or 151846 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The square root of 6840366872 is about 82706.5104571581. The cubic root of 6840366872 is about 1898.2779292335.

The spelling of 6840366872 in words is "six billion, eight hundred forty million, three hundred sixty-six thousand, eight hundred seventy-two".