8187982806 has 16 divisors (see below), whose sum is σ = 16376854464. Its totient is φ = 2729179464.

The previous prime is 8187982783. The next prime is 8187982897. The reversal of 8187982806 is 6082897818.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 186585 + ... + 226251.

It is an arithmetic number, because the mean of its divisors is an integer number (1023553404).

Almost surely, 2^8187982806 is an apocalyptic number.

8187982806 is an abundant number, since it is smaller than the sum of its proper divisors (8188871658).

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

8187982806 is a wasteful number, since it uses less digits than its factorization.

8187982806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74075.

The product of its (nonzero) digits is 3096576, while the sum is 57.

The square root of 8187982806 is about 90487.4731993330. The cubic root of 8187982806 is about 2015.5441111576.

The spelling of 8187982806 in words is "eight billion, one hundred eighty-seven million, nine hundred eighty-two thousand, eight hundred six".