89278 has 12 divisors (see below), whose sum is σ = 155952. Its totient is φ = 38220.

The previous prime is 89273. The next prime is 89293. The reversal of 89278 is 87298.

It is a happy number.

It is a super-2 number, since 2×89278² = 15941122568, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358 + ... + 553.

It is an arithmetic number, because the mean of its divisors is an integer number (12996).

2⁸⁹²⁷⁸ is an apocalyptic number.

89278 is a deficient number, since it is larger than the sum of its proper divisors (66674).

89278 is a wasteful number, since it uses less digits than its factorization.

89278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 920 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 89278 is about 298.7942435858. The cubic root of 89278 is about 44.6938894967.

It can be divided in two parts, 89 and 278, that multiplied together give a palindrome (24742).

The spelling of 89278 in words is "eighty-nine thousand, two hundred seventy-eight".