97694647 has 2 divisors, whose sum is σ = 97694648. Its totient is φ = 97694646.

The previous prime is 97694633. The next prime is 97694669. The reversal of 97694647 is 74649679.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97694647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97694594 and 97694603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97691647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48847323 + 48847324.

It is an arithmetic number, because the mean of its divisors is an integer number (48847324).

Almost surely, 2^97694647 is an apocalyptic number.

97694647 is a deficient number, since it is larger than the sum of its proper divisors (1).

97694647 is an equidigital number, since it uses as much as digits as its factorization.

97694647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 97694647 is about 9884.0602487035. The cubic root of 97694647 is about 460.5642838781.

The spelling of 97694647 in words is "ninety-seven million, six hundred ninety-four thousand, six hundred forty-seven".