82704244117477 has 16 divisors (see below), whose sum is σ = 84178201536000. Its totient is φ = 81244217207920.

The previous prime is 82704244117471. The next prime is 82704244117489. The reversal of 82704244117477 is 77471144240728.

It is a cyclic number.

It is not a de Polignac number, because 82704244117477 - 2¹⁹ = 82704243593189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704244117471) 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, 16251774 + ... + 20725072.

It is an arithmetic number, because the mean of its divisors is an integer number (5261137596000).

Almost surely, 2^{82704244117477} is an apocalyptic number.

It is an amenable number.

82704244117477 is a deficient number, since it is larger than the sum of its proper divisors (1473957418523).

82704244117477 is a wasteful number, since it uses less digits than its factorization.

82704244117477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474856.

The product of its (nonzero) digits is 19668992, while the sum is 58.

The spelling of 82704244117477 in words is "eighty-two trillion, seven hundred four billion, two hundred forty-four million, one hundred seventeen thousand, four hundred seventy-seven".