82636402060873 has 4 divisors (see below), whose sum is σ = 82671462055620. Its totient is φ = 82601342066128.

The previous prime is 82636402060871. The next prime is 82636402060913. The reversal of 82636402060873 is 37806020463628.

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 9751798647369 + 72884603413504 = 3122787^2 + 8537248^2 .

It is a cyclic number.

It is not a de Polignac number, because 82636402060873 - 2¹ = 82636402060871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82636402060871) 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, 17529993838 + ... + 17529998551.

It is an arithmetic number, because the mean of its divisors is an integer number (20667865513905).

Almost surely, 2^{82636402060873} is an apocalyptic number.

It is an amenable number.

82636402060873 is a deficient number, since it is larger than the sum of its proper divisors (35059994747).

82636402060873 is a wasteful number, since it uses less digits than its factorization.

82636402060873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35059994746.

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 82636402060873 in words is "eighty-two trillion, six hundred thirty-six billion, four hundred two million, sixty thousand, eight hundred seventy-three".