6847786172 has 6 divisors (see below), whose sum is σ = 11983625808. Its totient is φ = 3423893084.

The previous prime is 6847786171. The next prime is 6847786177. The reversal of 6847786172 is 2716877486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6847786171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855973268 + ... + 855973275.

It is an arithmetic number, because the mean of its divisors is an integer number (1997270968).

Almost surely, 2^6847786172 is an apocalyptic number.

It is an amenable number.

6847786172 is a deficient number, since it is larger than the sum of its proper divisors (5135839636).

6847786172 is a wasteful number, since it uses less digits than its factorization.

6847786172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711946547 (or 1711946545 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 56.

The square root of 6847786172 is about 82751.3514814109. The cubic root of 6847786172 is about 1898.9639940216.

The spelling of 6847786172 in words is "six billion, eight hundred forty-seven million, seven hundred eighty-six thousand, one hundred seventy-two".