82782955 has 16 divisors (see below), whose sum is σ = 102896640. Its totient is φ = 63893088.

The previous prime is 82782937. The next prime is 82782971. The reversal of 82782955 is 55928728.

It is a cyclic number.

It is not a de Polignac number, because 82782955 - 2⁵ = 82782923 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15526 + ... + 20164.

It is an arithmetic number, because the mean of its divisors is an integer number (6431040).

Almost surely, 2^82782955 is an apocalyptic number.

82782955 is a deficient number, since it is larger than the sum of its proper divisors (20113685).

82782955 is a wasteful number, since it uses less digits than its factorization.

82782955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its digits is 403200, while the sum is 46.

The square root of 82782955 is about 9098.5138896415. The cubic root of 82782955 is about 435.8265080716.

The spelling of 82782955 in words is "eighty-two million, seven hundred eighty-two thousand, nine hundred fifty-five".