7686878860 has 12 divisors (see below), whose sum is σ = 16142445648. Its totient is φ = 3074751536.

The previous prime is 7686878767. The next prime is 7686878867. The reversal of 7686878860 is 688786867.

It is a junction number, because it is equal to n+sod(n) for n = 7686878792 and 7686878801.

It is not an unprimeable number, because it can be changed into a prime (7686878867) 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, 192171952 + ... + 192171991.

It is an arithmetic number, because the mean of its divisors is an integer number (1345203804).

Almost surely, 2^7686878860 is an apocalyptic number.

It is an amenable number.

7686878860 is an abundant number, since it is smaller than the sum of its proper divisors (8455566788).

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

7686878860 is a wasteful number, since it uses less digits than its factorization.

7686878860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384343952 (or 384343950 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 64.

The square root of 7686878860 is about 87674.8473622852. The cubic root of 7686878860 is about 1973.5585367245.

The spelling of 7686878860 in words is "seven billion, six hundred eighty-six million, eight hundred seventy-eight thousand, eight hundred sixty".