97718 has 4 divisors (see below), whose sum is σ = 146580. Its totient is φ = 48858.

The previous prime is 97711. The next prime is 97729. The reversal of 97718 is 81779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81779 = 53 ⋅1543.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97711) by changing a digit.

97718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24428 + ... + 24431.

It is an arithmetic number, because the mean of its divisors is an integer number (36645).

2⁹⁷⁷¹⁸ is an apocalyptic number.

97718 is a deficient number, since it is larger than the sum of its proper divisors (48862).

97718 is a wasteful number, since it uses less digits than its factorization.

97718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48861.

The product of its digits is 3528, while the sum is 32.

The square root of 97718 is about 312.5987843866. The cubic root of 97718 is about 46.0600978829.

It can be divided in two parts, 9771 and 8, that added together give a palindrome (9779).

The spelling of 97718 in words is "ninety-seven thousand, seven hundred eighteen".