158207867 has 2 divisors, whose sum is σ = 158207868. Its totient is φ = 158207866.

The previous prime is 158207843. The next prime is 158207887. The reversal of 158207867 is 768702851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158207867 - 2⁸ = 158207611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158207827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79103933 + 79103934.

It is an arithmetic number, because the mean of its divisors is an integer number (79103934).

Almost surely, 2^158207867 is an apocalyptic number.

158207867 is a deficient number, since it is larger than the sum of its proper divisors (1).

158207867 is an equidigital number, since it uses as much as digits as its factorization.

158207867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 158207867 is about 12578.0708775233. The cubic root of 158207867 is about 540.8489925821.

The spelling of 158207867 in words is "one hundred fifty-eight million, two hundred seven thousand, eight hundred sixty-seven".