996777744 has 20 divisors (see below), whose sum is σ = 2575009296. Its totient is φ = 332259232.

The previous prime is 996777737. The next prime is 996777809. The reversal of 996777744 is 447777699.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10383054 + ... + 10383149.

Almost surely, 2^996777744 is an apocalyptic number.

It is an amenable number.

996777744 is an abundant number, since it is smaller than the sum of its proper divisors (1578231552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996777744 is a wasteful number, since it uses less digits than its factorization.

996777744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766214 (or 20766208 counting only the distinct ones).

The product of its digits is 18670176, while the sum is 60.

The square root of 996777744 is about 31571.7871524562. The cubic root of 996777744 is about 998.9247589377.

The spelling of 996777744 in words is "nine hundred ninety-six million, seven hundred seventy-seven thousand, seven hundred forty-four".