995928881 has 2 divisors, whose sum is σ = 995928882. Its totient is φ = 995928880.

The previous prime is 995928841. The next prime is 995928893. The reversal of 995928881 is 188829599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967210000 + 28718881 = 31100^2 + 5359^2 .

It is a cyclic number.

It is not a de Polignac number, because 995928881 - 2²² = 991734577 is a prime.

It is a super-2 number, since 2×995928881² = 1983748672019824322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 995928881.

It is not a weakly prime, because it can be changed into another prime (995928841) by changing a digit.

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 as a sum of consecutive naturals, namely, 497964440 + 497964441.

It is an arithmetic number, because the mean of its divisors is an integer number (497964441).

Almost surely, 2^995928881 is an apocalyptic number.

It is an amenable number.

995928881 is a deficient number, since it is larger than the sum of its proper divisors (1).

995928881 is an equidigital number, since it uses as much as digits as its factorization.

995928881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 59.

The square root of 995928881 is about 31558.3409101302. The cubic root of 995928881 is about 998.6411146002.

The spelling of 995928881 in words is "nine hundred ninety-five million, nine hundred twenty-eight thousand, eight hundred eighty-one".