6847566140 has 48 divisors (see below), whose sum is σ = 14482468224. Its totient is φ = 2719560000.

The previous prime is 6847566127. The next prime is 6847566149. The reversal of 6847566140 is 416657486.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6847566149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739975 + ... + 1743905.

It is an arithmetic number, because the mean of its divisors is an integer number (301718088).

Almost surely, 2^6847566140 is an apocalyptic number.

It is an amenable number.

6847566140 is an abundant number, since it is smaller than the sum of its proper divisors (7634902084).

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

6847566140 is a wasteful number, since it uses less digits than its factorization.

6847566140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 6847566140 is about 82750.0219939548. The cubic root of 6847566140 is about 1898.9436547319.

The spelling of 6847566140 in words is "six billion, eight hundred forty-seven million, five hundred sixty-six thousand, one hundred forty".