6887120982 has 16 divisors (see below), whose sum is σ = 15741990912. Its totient is φ = 1967748840.

The previous prime is 6887120957. The next prime is 6887121047. The reversal of 6887120982 is 2890217886.

It is a happy number.

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, 81989494 + ... + 81989577.

It is an arithmetic number, because the mean of its divisors is an integer number (983874432).

Almost surely, 2^6887120982 is an apocalyptic number.

6887120982 is an abundant number, since it is smaller than the sum of its proper divisors (8854869930).

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

6887120982 is a wasteful number, since it uses less digits than its factorization.

6887120982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163979083.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 6887120982 is about 82988.6798424942. The cubic root of 6887120982 is about 1902.5930414165.

The spelling of 6887120982 in words is "six billion, eight hundred eighty-seven million, one hundred twenty thousand, nine hundred eighty-two".