97118387 has 2 divisors, whose sum is σ = 97118388. Its totient is φ = 97118386.

The previous prime is 97118363. The next prime is 97118393. The reversal of 97118387 is 78381179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97118387 - 2⁶ = 97118323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97118317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48559193 + 48559194.

It is an arithmetic number, because the mean of its divisors is an integer number (48559194).

Almost surely, 2^97118387 is an apocalyptic number.

97118387 is a deficient number, since it is larger than the sum of its proper divisors (1).

97118387 is an equidigital number, since it uses as much as digits as its factorization.

97118387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 44.

The square root of 97118387 is about 9854.8661584011. The cubic root of 97118387 is about 459.6569386053.

The spelling of 97118387 in words is "ninety-seven million, one hundred eighteen thousand, three hundred eighty-seven".