82728663757474 has 64 divisors (see below), whose sum is σ = 149680923549696. Its totient is φ = 33526137705984.

The previous prime is 82728663757463. The next prime is 82728663757483. The reversal of 82728663757474 is 47475736682728.

It is a self number, because there is not a number n which added to its sum of digits gives 82728663757474.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26211507 + ... + 29197609.

It is an arithmetic number, because the mean of its divisors is an integer number (2338764430464).

Almost surely, 2^{82728663757474} is an apocalyptic number.

82728663757474 is a deficient number, since it is larger than the sum of its proper divisors (66952259792222).

82728663757474 is a wasteful number, since it uses less digits than its factorization.

82728663757474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987119.

The product of its digits is 5310627840, while the sum is 76.

The spelling of 82728663757474 in words is "eighty-two trillion, seven hundred twenty-eight billion, six hundred sixty-three million, seven hundred fifty-seven thousand, four hundred seventy-four".