158207887 has 2 divisors, whose sum is σ = 158207888. Its totient is φ = 158207886.

The previous prime is 158207867. The next prime is 158207891. The reversal of 158207887 is 788702851.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (788702851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158207887 - 2²³ = 149819279 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79103943 + 79103944.

It is an arithmetic number, because the mean of its divisors is an integer number (79103944).

Almost surely, 2^158207887 is an apocalyptic number.

158207887 is a deficient number, since it is larger than the sum of its proper divisors (1).

158207887 is an equidigital number, since it uses as much as digits as its factorization.

158207887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 46.

The square root of 158207887 is about 12578.0716725578. The cubic root of 158207887 is about 540.8490153728.

The spelling of 158207887 in words is "one hundred fifty-eight million, two hundred seven thousand, eight hundred eighty-seven".