3158728873 has 8 divisors (see below), whose sum is σ = 3233424128. Its totient is φ = 3084089904.

The previous prime is 3158728861. The next prime is 3158728987. The reversal of 3158728873 is 3788278513.

It is a happy number.

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 3158728873 - 2⁵ = 3158728841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3158728873.

It is not an unprimeable number, because it can be changed into a prime (3158728823) 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, 112840 + ... + 138022.

It is an arithmetic number, because the mean of its divisors is an integer number (404178016).

Almost surely, 2^3158728873 is an apocalyptic number.

It is an amenable number.

3158728873 is a deficient number, since it is larger than the sum of its proper divisors (74695255).

3158728873 is a wasteful number, since it uses less digits than its factorization.

3158728873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28143.

The product of its digits is 2257920, while the sum is 52.

The square root of 3158728873 is about 56202.5699857222. The cubic root of 3158728873 is about 1467.2499950719.

The spelling of 3158728873 in words is "three billion, one hundred fifty-eight million, seven hundred twenty-eight thousand, eight hundred seventy-three".