97618699 has 2 divisors, whose sum is σ = 97618700. Its totient is φ = 97618698.

The previous prime is 97618679. The next prime is 97618723. The reversal of 97618699 is 99681679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97618699 - 2¹³ = 97610507 is a prime.

It is not a weakly prime, because it can be changed into another prime (97618639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48809349 + 48809350.

It is an arithmetic number, because the mean of its divisors is an integer number (48809350).

Almost surely, 2^97618699 is an apocalyptic number.

97618699 is a deficient number, since it is larger than the sum of its proper divisors (1).

97618699 is an equidigital number, since it uses as much as digits as its factorization.

97618699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The square root of 97618699 is about 9880.2175583334. The cubic root of 97618699 is about 460.4449050945. Note that the first 3 decimals are identical.

The spelling of 97618699 in words is "ninety-seven million, six hundred eighteen thousand, six hundred ninety-nine".