82548747 has 8 divisors (see below), whose sum is σ = 122294480. Its totient is φ = 55032480.

The previous prime is 82548743. The next prime is 82548769. The reversal of 82548747 is 74784528.

It is not a de Polignac number, because 82548747 - 2² = 82548743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82548743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528654 + ... + 1528707.

It is an arithmetic number, because the mean of its divisors is an integer number (15286810).

Almost surely, 2^82548747 is an apocalyptic number.

82548747 is a deficient number, since it is larger than the sum of its proper divisors (39745733).

82548747 is a wasteful number, since it uses less digits than its factorization.

82548747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057370 (or 3057364 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 82548747 is about 9085.6341000505. The cubic root of 82548747 is about 435.4151090970.

The spelling of 82548747 in words is "eighty-two million, five hundred forty-eight thousand, seven hundred forty-seven".