97798 has 8 divisors (see below), whose sum is σ = 148392. Its totient is φ = 48336.

The previous prime is 97789. The next prime is 97813. The reversal of 97798 is 89779.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 97798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15 + ... + 442.

It is an arithmetic number, because the mean of its divisors is an integer number (18549).

2⁹⁷⁷⁹⁸ is an apocalyptic number.

97798 is a deficient number, since it is larger than the sum of its proper divisors (50594).

97798 is a wasteful number, since it uses less digits than its factorization.

97798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566.

The product of its digits is 31752, while the sum is 40.

The square root of 97798 is about 312.7267177585. The cubic root of 97798 is about 46.0726639837.

The spelling of 97798 in words is "ninety-seven thousand, seven hundred ninety-eight".