158973787319 has 2 divisors, whose sum is σ = 158973787320. Its totient is φ = 158973787318.

The previous prime is 158973787307. The next prime is 158973787447. The reversal of 158973787319 is 913787379851.

It is a weak prime.

It is an emirp because it is prime and its reverse (913787379851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158973787319 is a prime.

It is a super-2 number, since 2×158973787319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158973780319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79486893659 + 79486893660.

It is an arithmetic number, because the mean of its divisors is an integer number (79486893660).

Almost surely, 2^158973787319 is an apocalyptic number.

158973787319 is a deficient number, since it is larger than the sum of its proper divisors (1).

158973787319 is an equidigital number, since it uses as much as digits as its factorization.

158973787319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80015040, while the sum is 68.

The spelling of 158973787319 in words is "one hundred fifty-eight billion, nine hundred seventy-three million, seven hundred eighty-seven thousand, three hundred nineteen".