82082872 has 32 divisors (see below), whose sum is σ = 161766000. Its totient is φ = 38997504.

The previous prime is 82082857. The next prime is 82082873. The reversal of 82082872 is 27828028.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82082873) 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, 9504 + ... + 15952.

Almost surely, 2^82082872 is an apocalyptic number.

It is an amenable number.

82082872 is a deficient number, since it is larger than the sum of its proper divisors (79683128).

82082872 is a wasteful number, since it uses less digits than its factorization.

82082872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 82082872 is about 9059.9598233105. The cubic root of 82082872 is about 434.5944553450.

The spelling of 82082872 in words is "eighty-two million, eighty-two thousand, eight hundred seventy-two".