8686788382 has 4 divisors (see below), whose sum is σ = 13030182576. Its totient is φ = 4343394190.

The previous prime is 8686788379. The next prime is 8686788389. The reversal of 8686788382 is 2838876868.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686788389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171697094 + ... + 2171697097.

It is an arithmetic number, because the mean of its divisors is an integer number (3257545644).

Almost surely, 2^8686788382 is an apocalyptic number.

8686788382 is a deficient number, since it is larger than the sum of its proper divisors (4343394194).

8686788382 is a wasteful number, since it uses less digits than its factorization.

8686788382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343394193.

The product of its digits is 49545216, while the sum is 64.

The square root of 8686788382 is about 93202.9419170876. The cubic root of 8686788382 is about 2055.6684980258.

The spelling of 8686788382 in words is "eight billion, six hundred eighty-six million, seven hundred eighty-eight thousand, three hundred eighty-two".