158329727 has 4 divisors (see below), whose sum is σ = 158889480. Its totient is φ = 157769976.

The previous prime is 158329711. The next prime is 158329747. The reversal of 158329727 is 727923851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727923851 = 227 ⋅3206713.

It is a cyclic number.

It is not a de Polignac number, because 158329727 - 2⁴ = 158329711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158329747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279452 + ... + 280017.

It is an arithmetic number, because the mean of its divisors is an integer number (39722370).

Almost surely, 2^158329727 is an apocalyptic number.

158329727 is a deficient number, since it is larger than the sum of its proper divisors (559753).

158329727 is an equidigital number, since it uses as much as digits as its factorization.

158329727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559752.

The product of its digits is 211680, while the sum is 44.

The square root of 158329727 is about 12582.9140901462. The cubic root of 158329727 is about 540.9878203678.

The spelling of 158329727 in words is "one hundred fifty-eight million, three hundred twenty-nine thousand, seven hundred twenty-seven".