6872156928 has 432 divisors, whose sum is σ = 24775732800. Its totient is φ = 1783627776.

The previous prime is 6872156897. The next prime is 6872156939. The reversal of 6872156928 is 8296512786.

6872156928 is a `hidden beast` number, since 6 + 8 + 72 + 1 + 569 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15305248 + ... + 15305696.

Almost surely, 2^6872156928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6872156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12387866400).

6872156928 is an abundant number, since it is smaller than the sum of its proper divisors (17903575872).

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

6872156928 is a wasteful number, since it uses less digits than its factorization.

6872156928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 547 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 6872156928 is about 82898.4736168284. The cubic root of 6872156928 is about 1901.2140835104.

The spelling of 6872156928 in words is "six billion, eight hundred seventy-two million, one hundred fifty-six thousand, nine hundred twenty-eight".