82704982428321 has 16 divisors (see below), whose sum is σ = 120298323495168. Its totient is φ = 50124162093200.

The previous prime is 82704982428319. The next prime is 82704982428373. The reversal of 82704982428321 is 12382428940728.

It is a cyclic number.

It is not a de Polignac number, because 82704982428321 - 2¹ = 82704982428319 is a prime.

It is a super-2 number, since 2×82704982428321² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82704982428301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32262706 + ... + 34731716.

It is an arithmetic number, because the mean of its divisors is an integer number (7518645218448).

Almost surely, 2^{82704982428321} is an apocalyptic number.

It is an amenable number.

82704982428321 is a deficient number, since it is larger than the sum of its proper divisors (37593341066847).

82704982428321 is a wasteful number, since it uses less digits than its factorization.

82704982428321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484092.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 82704982428321 in words is "eighty-two trillion, seven hundred four billion, nine hundred eighty-two million, four hundred twenty-eight thousand, three hundred twenty-one".