97278 has 16 divisors (see below), whose sum is σ = 201216. Its totient is φ = 31320.

The previous prime is 97259. The next prime is 97283. The reversal of 97278 is 87279.

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, 76 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (12576).

2⁹⁷²⁷⁸ is an apocalyptic number.

97278 is an abundant number, since it is smaller than the sum of its proper divisors (103938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100608).

97278 is a wasteful number, since it uses less digits than its factorization.

97278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 7056, while the sum is 33.

The square root of 97278 is about 311.8942128351. The cubic root of 97278 is about 45.9908614486.

Subtracting from 97278 its reverse (87279), we obtain a palindrome (9999).

The spelling of 97278 in words is "ninety-seven thousand, two hundred seventy-eight".