996955279 has 4 divisors (see below), whose sum is σ = 1001126880. Its totient is φ = 992783680.

The previous prime is 996955241. The next prime is 996955283. The reversal of 996955279 is 972559699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 996955279 - 2¹¹ = 996953231 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 (996955679) 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 in 3 ways as a sum of consecutive naturals, for example, 2085442 + ... + 2085919.

It is an arithmetic number, because the mean of its divisors is an integer number (250281720).

Almost surely, 2^996955279 is an apocalyptic number.

996955279 is a deficient number, since it is larger than the sum of its proper divisors (4171601).

996955279 is a wasteful number, since it uses less digits than its factorization.

996955279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171600.

The product of its digits is 13778100, while the sum is 61.

The square root of 996955279 is about 31574.5986356121. The cubic root of 996955279 is about 998.9840612179.

The spelling of 996955279 in words is "nine hundred ninety-six million, nine hundred fifty-five thousand, two hundred seventy-nine".