158208793 has 4 divisors (see below), whose sum is σ = 158357860. Its totient is φ = 158059728.

The previous prime is 158208767. The next prime is 158208821. The reversal of 158208793 is 397802851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110502144 + 47706649 = 10512^2 + 6907^2 .

It is a cyclic number.

It is not a de Polignac number, because 158208793 - 2¹⁷ = 158077721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158208733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72930 + ... + 75067.

It is an arithmetic number, because the mean of its divisors is an integer number (39589465).

Almost surely, 2^158208793 is an apocalyptic number.

It is an amenable number.

158208793 is a deficient number, since it is larger than the sum of its proper divisors (149067).

158208793 is a wasteful number, since it uses less digits than its factorization.

158208793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149066.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 158208793 is about 12578.1076875657. The cubic root of 158208793 is about 540.8500477871.

The spelling of 158208793 in words is "one hundred fifty-eight million, two hundred eight thousand, seven hundred ninety-three".