78286 has 8 divisors (see below), whose sum is σ = 126504. Its totient is φ = 36120.

The previous prime is 78283. The next prime is 78301. The reversal of 78286 is 68287.

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

It is a super-2 number, since 2×78286² = 12257395592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (15813).

2⁷⁸²⁸⁶ is an apocalyptic number.

78286 is a deficient number, since it is larger than the sum of its proper divisors (48218).

78286 is a wasteful number, since it uses less digits than its factorization.

78286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its digits is 5376, while the sum is 31.

The square root of 78286 is about 279.7963545152. The cubic root of 78286 is about 42.7787445044.

Subtracting from 78286 its reverse (68287), we obtain a palindrome (9999).

It can be divided in two parts, 782 and 86, that added together give a palindrome (868).

The spelling of 78286 in words is "seventy-eight thousand, two hundred eighty-six".