8133556807 has 2 divisors, whose sum is σ = 8133556808. Its totient is φ = 8133556806.

The previous prime is 8133556771. The next prime is 8133556829. The reversal of 8133556807 is 7086553318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8133556807 - 2²³ = 8125168199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8133556867) 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 as a sum of consecutive naturals, namely, 4066778403 + 4066778404.

It is an arithmetic number, because the mean of its divisors is an integer number (4066778404).

Almost surely, 2^8133556807 is an apocalyptic number.

8133556807 is a deficient number, since it is larger than the sum of its proper divisors (1).

8133556807 is an equidigital number, since it uses as much as digits as its factorization.

8133556807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 8133556807 is about 90186.2340216066. The cubic root of 8133556807 is about 2011.0683665500.

The spelling of 8133556807 in words is "eight billion, one hundred thirty-three million, five hundred fifty-six thousand, eight hundred seven".