97673399 has 2 divisors, whose sum is σ = 97673400. Its totient is φ = 97673398.

The previous prime is 97673299. The next prime is 97673413. The reversal of 97673399 is 99337679.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97673399 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97673399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97673299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836699 + 48836700.

It is an arithmetic number, because the mean of its divisors is an integer number (48836700).

Almost surely, 2^97673399 is an apocalyptic number.

97673399 is a deficient number, since it is larger than the sum of its proper divisors (1).

97673399 is an equidigital number, since it uses as much as digits as its factorization.

97673399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1928934, while the sum is 53.

The square root of 97673399 is about 9882.9853283307. The cubic root of 97673399 is about 460.5308914670.

The spelling of 97673399 in words is "ninety-seven million, six hundred seventy-three thousand, three hundred ninety-nine".