7687004886 has 144 divisors (see below), whose sum is σ = 20055016800. Its totient is φ = 2116477440.

The previous prime is 7687004879. The next prime is 7687004887. The reversal of 7687004886 is 6884007867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7687004887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1070175 + ... + 1077333.

It is an arithmetic number, because the mean of its divisors is an integer number (139270950).

Almost surely, 2^7687004886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7687004886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10027508400).

7687004886 is an abundant number, since it is smaller than the sum of its proper divisors (12368011914).

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

7687004886 is a wasteful number, since it uses less digits than its factorization.

7687004886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 7687004886 is about 87675.5660717397. The cubic root of 7687004886 is about 1973.5693221305.

The spelling of 7687004886 in words is "seven billion, six hundred eighty-seven million, four thousand, eight hundred eighty-six".