809948158 has 8 divisors (see below), whose sum is σ = 1215321120. Its totient is φ = 404841120.

The previous prime is 809948147. The next prime is 809948177. The reversal of 809948158 is 851849908.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58683 + ... + 71158.

It is an arithmetic number, because the mean of its divisors is an integer number (151915140).

Almost surely, 2^809948158 is an apocalyptic number.

809948158 is a deficient number, since it is larger than the sum of its proper divisors (405372962).

809948158 is a wasteful number, since it uses less digits than its factorization.

809948158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132962.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 809948158 is about 28459.5881558395. The cubic root of 809948158 is about 932.1498643066.

The spelling of 809948158 in words is "eight hundred nine million, nine hundred forty-eight thousand, one hundred fifty-eight".