158536793 has 2 divisors, whose sum is σ = 158536794. Its totient is φ = 158536792.

The previous prime is 158536669. The next prime is 158536841. The reversal of 158536793 is 397635851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157954624 + 582169 = 12568^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 158536793 - 2²⁰ = 157488217 is a prime.

It is not a weakly prime, because it can be changed into another prime (158536093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79268396 + 79268397.

It is an arithmetic number, because the mean of its divisors is an integer number (79268397).

Almost surely, 2^158536793 is an apocalyptic number.

It is an amenable number.

158536793 is a deficient number, since it is larger than the sum of its proper divisors (1).

158536793 is an equidigital number, since it uses as much as digits as its factorization.

158536793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 158536793 is about 12591.1394639246. The cubic root of 158536793 is about 541.2235549699.

The spelling of 158536793 in words is "one hundred fifty-eight million, five hundred thirty-six thousand, seven hundred ninety-three".