996378599 has 4 divisors (see below), whose sum is σ = 1000655136. Its totient is φ = 992102064.

The previous prime is 996378569. The next prime is 996378611. The reversal of 996378599 is 995873699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995873699 = 2927 ⋅340237.

It is a cyclic number.

It is not a de Polignac number, because 996378599 - 2⁸ = 996378343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996378569) 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 3 ways as a sum of consecutive naturals, for example, 2137919 + ... + 2138384.

It is an arithmetic number, because the mean of its divisors is an integer number (250163784).

Almost surely, 2^996378599 is an apocalyptic number.

996378599 is a deficient number, since it is larger than the sum of its proper divisors (4276537).

996378599 is a wasteful number, since it uses less digits than its factorization.

996378599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276536.

The product of its digits is 33067440, while the sum is 65.

The square root of 996378599 is about 31565.4652904088. The cubic root of 996378599 is about 998.7914062229.

The spelling of 996378599 in words is "nine hundred ninety-six million, three hundred seventy-eight thousand, five hundred ninety-nine".