82664547 has 16 divisors (see below), whose sum is σ = 126527232. Its totient is φ = 47026080.

The previous prime is 82664513. The next prime is 82664563. The reversal of 82664547 is 74546628.

It is not a de Polignac number, because 82664547 - 2⁸ = 82664291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82664499 and 82664508.

It is not an unprimeable number, because it can be changed into a prime (82665547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (7907952).

Almost surely, 2^82664547 is an apocalyptic number.

82664547 is a deficient number, since it is larger than the sum of its proper divisors (43862685).

82664547 is a wasteful number, since it uses less digits than its factorization.

82664547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17578.

The product of its digits is 322560, while the sum is 42.

The square root of 82664547 is about 9092.0045644511. The cubic root of 82664547 is about 435.6186151578.

The spelling of 82664547 in words is "eighty-two million, six hundred sixty-four thousand, five hundred forty-seven".