97118347 has 2 divisors, whose sum is σ = 97118348. Its totient is φ = 97118346.

The previous prime is 97118323. The next prime is 97118363. The reversal of 97118347 is 74381179.

It is a strong prime.

It is an emirp because it is prime and its reverse (74381179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97118347 - 2¹⁹ = 96594059 is a 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, 48559173 + 48559174.

It is an arithmetic number, because the mean of its divisors is an integer number (48559174).

Almost surely, 2^97118347 is an apocalyptic number.

97118347 is a deficient number, since it is larger than the sum of its proper divisors (1).

97118347 is an equidigital number, since it uses as much as digits as its factorization.

97118347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 97118347 is about 9854.8641289467. The cubic root of 97118347 is about 459.6568754992.

The spelling of 97118347 in words is "ninety-seven million, one hundred eighteen thousand, three hundred forty-seven".