158789087 has 2 divisors, whose sum is σ = 158789088. Its totient is φ = 158789086.

The previous prime is 158789053. The next prime is 158789093. The reversal of 158789087 is 780987851.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158789087 - 2¹² = 158784991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158789387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79394543 + 79394544.

It is an arithmetic number, because the mean of its divisors is an integer number (79394544).

Almost surely, 2^158789087 is an apocalyptic number.

158789087 is a deficient number, since it is larger than the sum of its proper divisors (1).

158789087 is an equidigital number, since it uses as much as digits as its factorization.

158789087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 53.

The square root of 158789087 is about 12601.1541931682. The cubic root of 158789087 is about 541.5105022110.

The spelling of 158789087 in words is "one hundred fifty-eight million, seven hundred eighty-nine thousand, eighty-seven".