97693399 has 2 divisors, whose sum is σ = 97693400. Its totient is φ = 97693398.

The previous prime is 97693333. The next prime is 97693403. The reversal of 97693399 is 99339679.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97693399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97693699) 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, 48846699 + 48846700.

It is an arithmetic number, because the mean of its divisors is an integer number (48846700).

Almost surely, 2^97693399 is an apocalyptic number.

97693399 is a deficient number, since it is larger than the sum of its proper divisors (1).

97693399 is an equidigital number, since it uses as much as digits as its factorization.

97693399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 55.

The square root of 97693399 is about 9883.9971165516. The cubic root of 97693399 is about 460.5623227107.

The spelling of 97693399 in words is "ninety-seven million, six hundred ninety-three thousand, three hundred ninety-nine".