995928891 has 16 divisors (see below), whose sum is σ = 1360018176. Its totient is φ = 647924256.

The previous prime is 995928881. The next prime is 995928893. The reversal of 995928891 is 198829599.

It is not a de Polignac number, because 995928891 - 2⁷ = 995928763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (995928893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174306 + ... + 179928.

It is an arithmetic number, because the mean of its divisors is an integer number (85001136).

Almost surely, 2^995928891 is an apocalyptic number.

995928891 is the 16869-th nonagonal number.

995928891 is a deficient number, since it is larger than the sum of its proper divisors (364089285).

995928891 is a wasteful number, since it uses less digits than its factorization.

995928891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042.

The product of its digits is 4199040, while the sum is 60.

The square root of 995928891 is about 31558.3410685670. The cubic root of 995928891 is about 998.6411179426.

The spelling of 995928891 in words is "nine hundred ninety-five million, nine hundred twenty-eight thousand, eight hundred ninety-one".