158987347 has 2 divisors, whose sum is σ = 158987348. Its totient is φ = 158987346.

The previous prime is 158987329. The next prime is 158987351. The reversal of 158987347 is 743789851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158987347 - 2⁷ = 158987219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158987294 and 158987303.

It is not a weakly prime, because it can be changed into another prime (158987327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79493673 + 79493674.

It is an arithmetic number, because the mean of its divisors is an integer number (79493674).

Almost surely, 2^158987347 is an apocalyptic number.

158987347 is a deficient number, since it is larger than the sum of its proper divisors (1).

158987347 is an equidigital number, since it uses as much as digits as its factorization.

158987347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 158987347 is about 12609.0184788508. The cubic root of 158987347 is about 541.7357805407.

The spelling of 158987347 in words is "one hundred fifty-eight million, nine hundred eighty-seven thousand, three hundred forty-seven".