8197742094087 has 48 divisors (see below), whose sum is σ = 13696729113312. Its totient is φ = 4322884608000.

The previous prime is 8197742094079. The next prime is 8197742094103. The reversal of 8197742094087 is 7804902477918.

It is not a de Polignac number, because 8197742094087 - 2³ = 8197742094079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8197742094187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6319087 + ... + 7505087.

It is an arithmetic number, because the mean of its divisors is an integer number (285348523194).

Almost surely, 2^{8197742094087} is an apocalyptic number.

8197742094087 is a deficient number, since it is larger than the sum of its proper divisors (5498987019225).

8197742094087 is a wasteful number, since it uses less digits than its factorization.

8197742094087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189648 (or 1189641 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 66.

The spelling of 8197742094087 in words is "eight trillion, one hundred ninety-seven billion, seven hundred forty-two million, ninety-four thousand, eighty-seven".