158887845947 has 2 divisors, whose sum is σ = 158887845948. Its totient is φ = 158887845946.

The previous prime is 158887845913. The next prime is 158887846021. The reversal of 158887845947 is 749548788851.

158887845947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (158887846021) can be obtained adding 158887845947 to its sum of digits (74).

It is a weak prime.

It is an emirp because it is prime and its reverse (749548788851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158887845947 - 2¹⁴ = 158887829563 is a prime.

It is not a weakly prime, because it can be changed into another prime (158887845547) 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, 79443922973 + 79443922974.

It is an arithmetic number, because the mean of its divisors is an integer number (79443922974).

Almost surely, 2^158887845947 is an apocalyptic number.

158887845947 is a deficient number, since it is larger than the sum of its proper divisors (1).

158887845947 is an equidigital number, since it uses as much as digits as its factorization.

158887845947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 722534400, while the sum is 74.

The spelling of 158887845947 in words is "one hundred fifty-eight billion, eight hundred eighty-seven million, eight hundred forty-five thousand, nine hundred forty-seven".