996743863 has 2 divisors, whose sum is σ = 996743864. Its totient is φ = 996743862.

The previous prime is 996743809. The next prime is 996743873. The reversal of 996743863 is 368347699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996743863 - 2⁹ = 996743351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996743873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498371931 + 498371932.

It is an arithmetic number, because the mean of its divisors is an integer number (498371932).

Almost surely, 2^996743863 is an apocalyptic number.

996743863 is a deficient number, since it is larger than the sum of its proper divisors (1).

996743863 is an equidigital number, since it uses as much as digits as its factorization.

996743863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The square root of 996743863 is about 31571.2505770677. The cubic root of 996743863 is about 998.9134408167.

The spelling of 996743863 in words is "nine hundred ninety-six million, seven hundred forty-three thousand, eight hundred sixty-three".