6887506812 has 12 divisors (see below), whose sum is σ = 16070849256. Its totient is φ = 2295835600.

The previous prime is 6887506771. The next prime is 6887506819. The reversal of 6887506812 is 2186057886.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887506819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286979439 + ... + 286979462.

It is an arithmetic number, because the mean of its divisors is an integer number (1339237438).

Almost surely, 2^6887506812 is an apocalyptic number.

It is an amenable number.

6887506812 is an abundant number, since it is smaller than the sum of its proper divisors (9183342444).

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

6887506812 is a wasteful number, since it uses less digits than its factorization.

6887506812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573958908 (or 573958906 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 6887506812 is about 82991.0044040919. The cubic root of 6887506812 is about 1902.6285697487.

The spelling of 6887506812 in words is "six billion, eight hundred eighty-seven million, five hundred six thousand, eight hundred twelve".