80647 has 8 divisors (see below), whose sum is σ = 94752. Its totient is φ = 67200.

The previous prime is 80629. The next prime is 80651. The reversal of 80647 is 74608.

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

It is a de Polignac number, because none of the positive numbers 2^k-80647 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 80647.

It is not an unprimeable number, because it can be changed into a prime (80627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (11844).

2⁸⁰⁶⁴⁷ is an apocalyptic number.

80647 is a deficient number, since it is larger than the sum of its proper divisors (14105).

80647 is a wasteful number, since it uses less digits than its factorization.

80647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 80647 is about 283.9841544875. The cubic root of 80647 is about 43.2045419893.

It can be divided in two parts, 80 and 647, that added together give a palindrome (727).

The spelling of 80647 in words is "eighty thousand, six hundred forty-seven".