82704222812752 has 20 divisors (see below), whose sum is σ = 161657479771380. Its totient is φ = 40986163516928.

The previous prime is 82704222812747. The next prime is 82704222812779. The reversal of 82704222812752 is 25721822240728.

It can be written as a sum of positive squares in 2 ways, for example, as 35835356677696 + 46868866135056 = 5986264^2 + 6846084^2 .

It is a super-2 number, since 2×82704222812752² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82704222812752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22871741227 + ... + 22871744842.

It is an arithmetic number, because the mean of its divisors is an integer number (8082873988569).

Almost surely, 2^{82704222812752} is an apocalyptic number.

It is an amenable number.

82704222812752 is a deficient number, since it is larger than the sum of its proper divisors (78953256958628).

82704222812752 is a wasteful number, since it uses less digits than its factorization.

82704222812752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45743486190 (or 45743486184 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 52.

The spelling of 82704222812752 in words is "eighty-two trillion, seven hundred four billion, two hundred twenty-two million, eight hundred twelve thousand, seven hundred fifty-two".