8042776845 has 16 divisors (see below), whose sum is σ = 12925137600. Its totient is φ = 4270582784.

The previous prime is 8042776829. The next prime is 8042776879. The reversal of 8042776845 is 5486772408.

It is a cyclic number.

It is not a de Polignac number, because 8042776845 - 2⁴ = 8042776829 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1177620 + ... + 1184429.

It is an arithmetic number, because the mean of its divisors is an integer number (807821100).

Almost surely, 2^8042776845 is an apocalyptic number.

It is an amenable number.

8042776845 is a deficient number, since it is larger than the sum of its proper divisors (4882360755).

8042776845 is a wasteful number, since it uses less digits than its factorization.

8042776845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362284.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The square root of 8042776845 is about 89681.5301218707. The cubic root of 8042776845 is about 2003.5584022154.

The spelling of 8042776845 in words is "eight billion, forty-two million, seven hundred seventy-six thousand, eight hundred forty-five".