6847955136 has 560 divisors, whose sum is σ = 23699602080. Its totient is φ = 1935360000.

The previous prime is 6847955123. The next prime is 6847955141. The reversal of 6847955136 is 6315597486.

6847955136 is a `hidden beast` number, since 6 + 84 + 7 + 9 + 551 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 79 ways as a sum of consecutive naturals, for example, 67801486 + ... + 67801586.

It is an arithmetic number, because the mean of its divisors is an integer number (42320718).

Almost surely, 2^6847955136 is an apocalyptic number.

6847955136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6847955136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11849801040).

6847955136 is an abundant number, since it is smaller than the sum of its proper divisors (16851646944).

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

6847955136 is a wasteful number, since it uses less digits than its factorization.

6847955136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 187 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 6847955136 is about 82752.3723889533. The cubic root of 6847955136 is about 1898.9796123984.

The spelling of 6847955136 in words is "six billion, eight hundred forty-seven million, nine hundred fifty-five thousand, one hundred thirty-six".