7687213008 has 80 divisors (see below), whose sum is σ = 20176565760. Its totient is φ = 2521694592.

The previous prime is 7687212971. The next prime is 7687213033. The reversal of 7687213008 is 8003127867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801103 + ... + 810641.

It is an arithmetic number, because the mean of its divisors is an integer number (252207072).

Almost surely, 2^7687213008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7687213008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10088282880).

7687213008 is an abundant number, since it is smaller than the sum of its proper divisors (12489352752).

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

7687213008 is a wasteful number, since it uses less digits than its factorization.

7687213008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816 (or 9810 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 7687213008 is about 87676.7529508250. The cubic root of 7687213008 is about 1973.5871331199.

The spelling of 7687213008 in words is "seven billion, six hundred eighty-seven million, two hundred thirteen thousand, eight".