82757828 has 6 divisors (see below), whose sum is σ = 144826206. Its totient is φ = 41378912.

The previous prime is 82757827. The next prime is 82757833. The reversal of 82757828 is 82875728.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 6160324 = 8752^2 + 2482^2 .

It is not an unprimeable number, because it can be changed into a prime (82757827) 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 as a sum of consecutive naturals, namely, 10344725 + ... + 10344732.

It is an arithmetic number, because the mean of its divisors is an integer number (24137701).

Almost surely, 2^82757828 is an apocalyptic number.

It is an amenable number.

82757828 is a deficient number, since it is larger than the sum of its proper divisors (62068378).

82757828 is a wasteful number, since it uses less digits than its factorization.

82757828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20689461 (or 20689459 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The square root of 82757828 is about 9097.1329549479. The cubic root of 82757828 is about 435.7824083298.

The spelling of 82757828 in words is "eighty-two million, seven hundred fifty-seven thousand, eight hundred twenty-eight".