82941647 has 8 divisors (see below), whose sum is σ = 87706752. Its totient is φ = 78307200.

The previous prime is 82941643. The next prime is 82941659. The reversal of 82941647 is 74614928.

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 82941647 - 2² = 82941643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82941641) 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, 31358 + ... + 33899.

It is an arithmetic number, because the mean of its divisors is an integer number (10963344).

Almost surely, 2^82941647 is an apocalyptic number.

82941647 is a deficient number, since it is larger than the sum of its proper divisors (4765105).

82941647 is a wasteful number, since it uses less digits than its factorization.

82941647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65329.

The product of its digits is 96768, while the sum is 41.

The square root of 82941647 is about 9107.2304791303. The cubic root of 82941647 is about 436.1048183164.

The spelling of 82941647 in words is "eighty-two million, nine hundred forty-one thousand, six hundred forty-seven".