82702450764161 has 4 divisors (see below), whose sum is σ = 82811126784324. Its totient is φ = 82593774744000.

The previous prime is 82702450764113. The next prime is 82702450764169. The reversal of 82702450764161 is 16146705420728.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12119449690000 + 70583001074161 = 3481300^2 + 8401369^2 .

It is a cyclic number.

It is not a de Polignac number, because 82702450764161 - 2⁴² = 78304404253057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82702450764169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54338008940 + ... + 54338010461.

It is an arithmetic number, because the mean of its divisors is an integer number (20702781696081).

Almost surely, 2^{82702450764161} is an apocalyptic number.

It is an amenable number.

82702450764161 is a deficient number, since it is larger than the sum of its proper divisors (108676020163).

82702450764161 is a wasteful number, since it uses less digits than its factorization.

82702450764161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108676020162.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 82702450764161 in words is "eighty-two trillion, seven hundred two billion, four hundred fifty million, seven hundred sixty-four thousand, one hundred sixty-one".