8638050791 has 2 divisors, whose sum is σ = 8638050792. Its totient is φ = 8638050790.

The previous prime is 8638050781. The next prime is 8638050877. The reversal of 8638050791 is 1970508368.

It is a happy number.

8638050791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8638050791 - 2¹⁸ = 8637788647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8638050781) 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, 4319025395 + 4319025396.

It is an arithmetic number, because the mean of its divisors is an integer number (4319025396).

Almost surely, 2^8638050791 is an apocalyptic number.

8638050791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8638050791 is an equidigital number, since it uses as much as digits as its factorization.

8638050791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 8638050791 is about 92941.1146425520. The cubic root of 8638050791 is about 2051.8168141977.

The spelling of 8638050791 in words is "eight billion, six hundred thirty-eight million, fifty thousand, seven hundred ninety-one".