158026793 has 2 divisors, whose sum is σ = 158026794. Its totient is φ = 158026792.

The previous prime is 158026789. The next prime is 158026861. The reversal of 158026793 is 397620851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88604569 + 69422224 = 9413^2 + 8332^2 .

It is an emirp because it is prime and its reverse (397620851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158026793 - 2² = 158026789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158026793.

It is not a weakly prime, because it can be changed into another prime (158026723) 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, 79013396 + 79013397.

It is an arithmetic number, because the mean of its divisors is an integer number (79013397).

Almost surely, 2^158026793 is an apocalyptic number.

It is an amenable number.

158026793 is a deficient number, since it is larger than the sum of its proper divisors (1).

158026793 is an equidigital number, since it uses as much as digits as its factorization.

158026793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 158026793 is about 12570.8708131139. The cubic root of 158026793 is about 540.6425741132.

The spelling of 158026793 in words is "one hundred fifty-eight million, twenty-six thousand, seven hundred ninety-three".