158347899 has 8 divisors (see below), whose sum is σ = 234589520. Its totient is φ = 105565248.

The previous prime is 158347873. The next prime is 158347913. The reversal of 158347899 is 998743851.

158347899 is a `hidden beast` number, since 1 + 5 + 83 + 478 + 99 = 666.

158347899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158347899 - 2¹¹ = 158345851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158347099) 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, 2932342 + ... + 2932395.

It is an arithmetic number, because the mean of its divisors is an integer number (29323690).

Almost surely, 2^158347899 is an apocalyptic number.

158347899 is a deficient number, since it is larger than the sum of its proper divisors (76241621).

158347899 is an equidigital number, since it uses as much as digits as its factorization.

158347899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864746 (or 5864740 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 158347899 is about 12583.6361597115. The cubic root of 158347899 is about 541.0085165331.

The spelling of 158347899 in words is "one hundred fifty-eight million, three hundred forty-seven thousand, eight hundred ninety-nine".