97859 has 2 divisors, whose sum is σ = 97860. Its totient is φ = 97858.

The previous prime is 97849. The next prime is 97861. The reversal of 97859 is 95879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97859 - 2⁴ = 97843 is a prime.

Together with 97861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48929 + 48930.

It is an arithmetic number, because the mean of its divisors is an integer number (48930).

2⁹⁷⁸⁵⁹ is an apocalyptic number.

97859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97859 is an equidigital number, since it uses as much as digits as its factorization.

97859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 97859 is about 312.8242317980. The cubic root of 97859 is about 46.0822410316.

The spelling of 97859 in words is "ninety-seven thousand, eight hundred fifty-nine".