82678 has 8 divisors (see below), whose sum is σ = 126072. Its totient is φ = 40656.

The previous prime is 82657. The next prime is 82699. The reversal of 82678 is 87628.

It is an interprime number because it is at equal distance from previous prime (82657) and next prime (82699).

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

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, 175 + ... + 442.

It is an arithmetic number, because the mean of its divisors is an integer number (15759).

2⁸²⁶⁷⁸ is an apocalyptic number.

82678 is a deficient number, since it is larger than the sum of its proper divisors (43394).

82678 is a wasteful number, since it uses less digits than its factorization.

82678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

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

The square root of 82678 is about 287.5378235989. The cubic root of 82678 is about 43.5642245035.

Subtracting 82678 from its reverse (87628), we obtain a triangular number (4950 = T₉₉).

The spelling of 82678 in words is "eighty-two thousand, six hundred seventy-eight".