8157592133 has 2 divisors, whose sum is σ = 8157592134. Its totient is φ = 8157592132.

The previous prime is 8157592129. The next prime is 8157592147. The reversal of 8157592133 is 3312957518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7919754049 + 237838084 = 88993^2 + 15422^2 .

It is a cyclic number.

It is not a de Polignac number, because 8157592133 - 2² = 8157592129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8157592193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4078796066 + 4078796067.

It is an arithmetic number, because the mean of its divisors is an integer number (4078796067).

Almost surely, 2^8157592133 is an apocalyptic number.

It is an amenable number.

8157592133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8157592133 is an equidigital number, since it uses as much as digits as its factorization.

8157592133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 8157592133 is about 90319.3895738894. The cubic root of 8157592133 is about 2013.0473756520.

The spelling of 8157592133 in words is "eight billion, one hundred fifty-seven million, five hundred ninety-two thousand, one hundred thirty-three".