6887834856 has 96 divisors (see below), whose sum is σ = 22441598400. Its totient is φ = 1864373760.

The previous prime is 6887834839. The next prime is 6887834887. The reversal of 6887834856 is 6584387886.

6887834856 is a `hidden beast` number, since 6 + 88 + 78 + 3 + 485 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6887834793 and 6887834802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350065 + ... + 369216.

It is an arithmetic number, because the mean of its divisors is an integer number (233766650).

Almost surely, 2^6887834856 is an apocalyptic number.

It is an amenable number.

6887834856 is an abundant number, since it is smaller than the sum of its proper divisors (15553763544).

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

6887834856 is a wasteful number, since it uses less digits than its factorization.

6887834856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719319 (or 719312 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The square root of 6887834856 is about 82992.9807634357. The cubic root of 6887834856 is about 1902.6587759367.

The spelling of 6887834856 in words is "six billion, eight hundred eighty-seven million, eight hundred thirty-four thousand, eight hundred fifty-six".