97709699 has 2 divisors, whose sum is σ = 97709700. Its totient is φ = 97709698.

The previous prime is 97709657. The next prime is 97709707. The reversal of 97709699 is 99690779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97709699 - 2¹² = 97705603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97709639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48854849 + 48854850.

It is an arithmetic number, because the mean of its divisors is an integer number (48854850).

Almost surely, 2^97709699 is an apocalyptic number.

97709699 is a deficient number, since it is larger than the sum of its proper divisors (1).

97709699 is an equidigital number, since it uses as much as digits as its factorization.

97709699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The square root of 97709699 is about 9884.8216473541. The cubic root of 97709699 is about 460.5879360017.

The spelling of 97709699 in words is "ninety-seven million, seven hundred nine thousand, six hundred ninety-nine".