2158000873 has 8 divisors (see below), whose sum is σ = 2467944000. Its totient is φ = 1848472080.

The previous prime is 2158000813. The next prime is 2158000877. The reversal of 2158000873 is 3780008512.

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

It is not a de Polignac number, because 2158000873 - 2²¹ = 2155903721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158000877) 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 7 ways as a sum of consecutive naturals, for example, 92338 + ... + 113323.

It is an arithmetic number, because the mean of its divisors is an integer number (308493000).

Almost surely, 2^2158000873 is an apocalyptic number.

It is an amenable number.

2158000873 is a deficient number, since it is larger than the sum of its proper divisors (309943127).

2158000873 is a wasteful number, since it uses less digits than its factorization.

2158000873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207167.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2158000873 is about 46454.2879936826. The cubic root of 2158000873 is about 1292.2618956877.

The spelling of 2158000873 in words is "two billion, one hundred fifty-eight million, eight hundred seventy-three", and thus it is an aban number.