995978199 has 16 divisors (see below), whose sum is σ = 1375524864. Its totient is φ = 640356000.

The previous prime is 995978189. The next prime is 995978209. The reversal of 995978199 is 991879599.

It is an interprime number because it is at equal distance from previous prime (995978189) and next prime (995978209).

It is not a de Polignac number, because 995978199 - 2¹¹ = 995976151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995978129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8974 + ... + 45524.

It is an arithmetic number, because the mean of its divisors is an integer number (85970304).

Almost surely, 2^995978199 is an apocalyptic number.

995978199 is a deficient number, since it is larger than the sum of its proper divisors (379546665).

995978199 is a wasteful number, since it uses less digits than its factorization.

995978199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878.

The product of its digits is 16533720, while the sum is 66.

The square root of 995978199 is about 31559.1222786693. The cubic root of 995978199 is about 998.6575984310.

The spelling of 995978199 in words is "nine hundred ninety-five million, nine hundred seventy-eight thousand, one hundred ninety-nine".