158227287209 has 8 divisors (see below), whose sum is σ = 163377946368. Its totient is φ = 153079537680.

The previous prime is 158227287191. The next prime is 158227287217. The reversal of 158227287209 is 902782722851.

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 158227287209 - 2⁸ = 158227286953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158227287299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616607 + ... + 834660.

It is an arithmetic number, because the mean of its divisors is an integer number (20422243296).

Almost surely, 2^158227287209 is an apocalyptic number.

It is an amenable number.

158227287209 is a deficient number, since it is larger than the sum of its proper divisors (5150659159).

158227287209 is a wasteful number, since it uses less digits than its factorization.

158227287209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454815.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 158227287209 in words is "one hundred fifty-eight billion, two hundred twenty-seven million, two hundred eighty-seven thousand, two hundred nine".