6887919072 has 48 divisors (see below), whose sum is σ = 18195991632. Its totient is φ = 2281344000.

The previous prime is 6887919067. The next prime is 6887919131. The reversal of 6887919072 is 2709197886.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213429 + ... + 243572.

It is an arithmetic number, because the mean of its divisors is an integer number (379083159).

Almost surely, 2^6887919072 is an apocalyptic number.

It is an amenable number.

6887919072 is an abundant number, since it is smaller than the sum of its proper divisors (11308072560).

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

6887919072 is a wasteful number, since it uses less digits than its factorization.

6887919072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457171 (or 457163 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The square root of 6887919072 is about 82993.4881300937. The cubic root of 6887919072 is about 1902.6665303647. Note that the first 3 decimals are identical.

The spelling of 6887919072 in words is "six billion, eight hundred eighty-seven million, nine hundred nineteen thousand, seventy-two".