97805 has 8 divisors (see below), whose sum is σ = 121344. Its totient is φ = 75600.

The previous prime is 97789. The next prime is 97813. The reversal of 97805 is 50879.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97805 - 2⁴ = 97789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 470.

It is an arithmetic number, because the mean of its divisors is an integer number (15168).

2⁹⁷⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

97805 is a deficient number, since it is larger than the sum of its proper divisors (23539).

97805 is a wasteful number, since it uses less digits than its factorization.

97805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 97805 is about 312.7379094386. The cubic root of 97805 is about 46.0737631915.

The spelling of 97805 in words is "ninety-seven thousand, eight hundred five".