8115425867 has 4 divisors (see below), whose sum is σ = 8160262656. Its totient is φ = 8070589080.

The previous prime is 8115425849. The next prime is 8115425873. The reversal of 8115425867 is 7685245118.

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

It is a cyclic number.

It is not a de Polignac number, because 8115425867 - 2⁶ = 8115425803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8115425267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22418123 + ... + 22418484.

It is an arithmetic number, because the mean of its divisors is an integer number (2040065664).

Almost surely, 2^8115425867 is an apocalyptic number.

8115425867 is a deficient number, since it is larger than the sum of its proper divisors (44836789).

8115425867 is a wasteful number, since it uses less digits than its factorization.

8115425867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44836788.

The product of its digits is 537600, while the sum is 47.

The square root of 8115425867 is about 90085.6584978985. The cubic root of 8115425867 is about 2009.5729286624.

The spelling of 8115425867 in words is "eight billion, one hundred fifteen million, four hundred twenty-five thousand, eight hundred sixty-seven".