8112715986 has 16 divisors (see below), whose sum is σ = 16930885824. Its totient is φ = 2586663024.

The previous prime is 8112715981. The next prime is 8112715993. The reversal of 8112715986 is 6895172118.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8112715981) 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 7 ways as a sum of consecutive naturals, for example, 29393761 + ... + 29394036.

It is an arithmetic number, because the mean of its divisors is an integer number (1058180364).

Almost surely, 2^8112715986 is an apocalyptic number.

8112715986 is an abundant number, since it is smaller than the sum of its proper divisors (8818169838).

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

8112715986 is a wasteful number, since it uses less digits than its factorization.

8112715986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58787825.

The product of its digits is 241920, while the sum is 48.

The square root of 8112715986 is about 90070.6166627053. The cubic root of 8112715986 is about 2009.3492267135.

The spelling of 8112715986 in words is "eight billion, one hundred twelve million, seven hundred fifteen thousand, nine hundred eighty-six".