6887889016 has 16 divisors (see below), whose sum is σ = 12920941440. Its totient is φ = 3442304640.

The previous prime is 6887888999. The next prime is 6887889017. The reversal of 6887889016 is 6109887886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887889017) 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, 187041 + ... + 220816.

It is an arithmetic number, because the mean of its divisors is an integer number (807558840).

Almost surely, 2^6887889016 is an apocalyptic number.

It is an amenable number.

6887889016 is a deficient number, since it is larger than the sum of its proper divisors (6033052424).

6887889016 is a wasteful number, since it uses less digits than its factorization.

6887889016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409974 (or 409970 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 61.

The square root of 6887889016 is about 82993.3070554488. The cubic root of 6887889016 is about 1902.6637628802.

The spelling of 6887889016 in words is "six billion, eight hundred eighty-seven million, eight hundred eighty-nine thousand, sixteen".