158727851 has 8 divisors (see below), whose sum is σ = 164430000. Its totient is φ = 153112960.

The previous prime is 158727847. The next prime is 158727857.

158727851 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158727851 - 2² = 158727847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158727857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18101 + ... + 25398.

It is an arithmetic number, because the mean of its divisors is an integer number (20553750).

Almost surely, 2^158727851 is an apocalyptic number.

158727851 is a deficient number, since it is larger than the sum of its proper divisors (5702149).

158727851 is an equidigital number, since it uses as much as digits as its factorization.

158727851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43629.

The product of its digits is 156800, while the sum is 44.

The square root of 158727851 is about 12598.7241814400. The cubic root of 158727851 is about 541.4408832355.

The spelling of 158727851 in words is "one hundred fifty-eight million, seven hundred twenty-seven thousand, eight hundred fifty-one".