82153748 has 6 divisors (see below), whose sum is σ = 143769066. Its totient is φ = 41076872.

The previous prime is 82153733. The next prime is 82153807. The reversal of 82153748 is 84735128.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 38962564 = 6572^2 + 6242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10269215 + ... + 10269222.

It is an arithmetic number, because the mean of its divisors is an integer number (23961511).

Almost surely, 2^82153748 is an apocalyptic number.

It is an amenable number.

82153748 is a deficient number, since it is larger than the sum of its proper divisors (61615318).

82153748 is a wasteful number, since it uses less digits than its factorization.

82153748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20538441 (or 20538439 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 82153748 is about 9063.8704756853. The cubic root of 82153748 is about 434.7195056123.

The spelling of 82153748 in words is "eighty-two million, one hundred fifty-three thousand, seven hundred forty-eight".