83147 has 8 divisors (see below), whose sum is σ = 90576. Its totient is φ = 76032.

The previous prime is 83137. The next prime is 83177. The reversal of 83147 is 74138.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83147 - 2⁸ = 82891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83117) 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, 1103 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (11322).

2⁸³¹⁴⁷ is an apocalyptic number.

83147 is a deficient number, since it is larger than the sum of its proper divisors (7429).

83147 is a wasteful number, since it uses less digits than its factorization.

83147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its digits is 672, while the sum is 23.

The square root of 83147 is about 288.3522151814. The cubic root of 83147 is about 43.6464435100.

Subtracting from 83147 its reverse (74138), we obtain a palindrome (9009).

It can be divided in two parts, 831 and 47, that added together give a palindrome (878).

The spelling of 83147 in words is "eighty-three thousand, one hundred forty-seven".