986695663 has 2 divisors, whose sum is σ = 986695664. Its totient is φ = 986695662.

The previous prime is 986695651. The next prime is 986695711. The reversal of 986695663 is 366596689.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (366596689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986695663 - 2²⁹ = 449824751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 986695598 and 986695607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986695163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493347831 + 493347832.

It is an arithmetic number, because the mean of its divisors is an integer number (493347832).

Almost surely, 2^986695663 is an apocalyptic number.

986695663 is a deficient number, since it is larger than the sum of its proper divisors (1).

986695663 is an equidigital number, since it uses as much as digits as its factorization.

986695663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 58.

The square root of 986695663 is about 31411.7121946576. The cubic root of 986695663 is about 995.5454070666.

The spelling of 986695663 in words is "nine hundred eighty-six million, six hundred ninety-five thousand, six hundred sixty-three".