996777743 has 16 divisors (see below), whose sum is σ = 1109156160. Its totient is φ = 889802496.

The previous prime is 996777737. The next prime is 996777809. The reversal of 996777743 is 347777699.

It is a cyclic number.

It is not a de Polignac number, because 996777743 - 2¹² = 996773647 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 (996770743) 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 15 ways as a sum of consecutive naturals, for example, 74123 + ... + 86531.

It is an arithmetic number, because the mean of its divisors is an integer number (69322260).

Almost surely, 2^996777743 is an apocalyptic number.

996777743 is a deficient number, since it is larger than the sum of its proper divisors (112378417).

996777743 is a wasteful number, since it uses less digits than its factorization.

996777743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626.

The product of its digits is 14002632, while the sum is 59.

The square root of 996777743 is about 31571.7871366193. The cubic root of 996777743 is about 998.9247586037.

The spelling of 996777743 in words is "nine hundred ninety-six million, seven hundred seventy-seven thousand, seven hundred forty-three".