97399399 has 2 divisors, whose sum is σ = 97399400. Its totient is φ = 97399398.

The previous prime is 97399397. The next prime is 97399439. The reversal of 97399399 is 99399379.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97399399 - 2¹ = 97399397 is a prime.

It is a super-2 number, since 2×97399399² = 18973285851122402, which contains 22 as substring.

Together with 97399397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97399391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48699699 + 48699700.

It is an arithmetic number, because the mean of its divisors is an integer number (48699700).

Almost surely, 2^97399399 is an apocalyptic number.

97399399 is a deficient number, since it is larger than the sum of its proper divisors (1).

97399399 is an equidigital number, since it uses as much as digits as its factorization.

97399399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3720087, while the sum is 58.

The square root of 97399399 is about 9869.1133846967. The cubic root of 97399399 is about 460.0998507249.

The spelling of 97399399 in words is "ninety-seven million, three hundred ninety-nine thousand, three hundred ninety-nine".