8122546678 has 4 divisors (see below), whose sum is σ = 12183820020. Its totient is φ = 4061273338.

The previous prime is 8122546589. The next prime is 8122546681. The reversal of 8122546678 is 8766452218.

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

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 as a sum of consecutive naturals, namely, 2030636668 + ... + 2030636671.

It is an arithmetic number, because the mean of its divisors is an integer number (3045955005).

Almost surely, 2^8122546678 is an apocalyptic number.

8122546678 is a deficient number, since it is larger than the sum of its proper divisors (4061273342).

8122546678 is a wasteful number, since it uses less digits than its factorization.

8122546678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061273341.

The product of its digits is 1290240, while the sum is 49.

The square root of 8122546678 is about 90125.1722772279. The cubic root of 8122546678 is about 2010.1605176957.

The spelling of 8122546678 in words is "eight billion, one hundred twenty-two million, five hundred forty-six thousand, six hundred seventy-eight".