996861875 has 20 divisors (see below), whose sum is σ = 1248331656. Its totient is φ = 795792000.

The previous prime is 996861851. The next prime is 996861889. The reversal of 996861875 is 578168699.

It is a de Polignac number, because none of the positive numbers 2^k-996861875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 350459 + ... + 353291.

Almost surely, 2^996861875 is an apocalyptic number.

996861875 is a deficient number, since it is larger than the sum of its proper divisors (251469781).

996861875 is an equidigital number, since it uses as much as digits as its factorization.

996861875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3401 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The square root of 996861875 is about 31573.1195006132. The cubic root of 996861875 is about 998.9528622185.

The spelling of 996861875 in words is "nine hundred ninety-six million, eight hundred sixty-one thousand, eight hundred seventy-five".