8090129791 has 2 divisors, whose sum is σ = 8090129792. Its totient is φ = 8090129790.

The previous prime is 8090129783. The next prime is 8090129849. The reversal of 8090129791 is 1979210908.

It is a happy number.

8090129791 is digitally balanced in base 3, 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 8090129791 - 2³ = 8090129783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8090129701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045064895 + 4045064896.

It is an arithmetic number, because the mean of its divisors is an integer number (4045064896).

Almost surely, 2^8090129791 is an apocalyptic number.

8090129791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8090129791 is an equidigital number, since it uses as much as digits as its factorization.

8090129791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 8090129791 is about 89945.1487908047. The cubic root of 8090129791 is about 2007.4827849665.

The spelling of 8090129791 in words is "eight billion, ninety million, one hundred twenty-nine thousand, seven hundred ninety-one".