996699611 has 2 divisors, whose sum is σ = 996699612. Its totient is φ = 996699610.

The previous prime is 996699601. The next prime is 996699619. The reversal of 996699611 is 116996699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996699611 - 2¹⁰ = 996698587 is a prime.

It is a super-2 number, since 2×996699611² = 1986820229135102642, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (996699619) 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 as a sum of consecutive naturals, namely, 498349805 + 498349806.

It is an arithmetic number, because the mean of its divisors is an integer number (498349806).

Almost surely, 2^996699611 is an apocalyptic number.

996699611 is a deficient number, since it is larger than the sum of its proper divisors (1).

996699611 is an equidigital number, since it uses as much as digits as its factorization.

996699611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417176, while the sum is 56.

The square root of 996699611 is about 31570.5497418084. The cubic root of 996699611 is about 998.8986578240.

The spelling of 996699611 in words is "nine hundred ninety-six million, six hundred ninety-nine thousand, six hundred eleven".