82982047 has 8 divisors (see below), whose sum is σ = 84771360. Its totient is φ = 81201120.

The previous prime is 82982017. The next prime is 82982057. The reversal of 82982047 is 74028928.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82982047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82982017) 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, 20454 + ... + 24172.

It is an arithmetic number, because the mean of its divisors is an integer number (10596420).

Almost surely, 2^82982047 is an apocalyptic number.

82982047 is the 7438-th pentagonal number.

82982047 is a deficient number, since it is larger than the sum of its proper divisors (1789313).

82982047 is a wasteful number, since it uses less digits than its factorization.

82982047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 82982047 is about 9109.4482269784. The cubic root of 82982047 is about 436.1756141729.

The spelling of 82982047 in words is "eighty-two million, nine hundred eighty-two thousand, forty-seven".