82587317954823 has 12 divisors (see below), whose sum is σ = 130137591928968. Its totient is φ = 50052919972560.

The previous prime is 82587317954741. The next prime is 82587317954887. The reversal of 82587317954823 is 32845971378528.

It is a happy number.

82587317954823 is a `hidden beast` number, since 8 + 2 + 5 + 8 + 7 + 3 + 1 + 79 + 548 + 2 + 3 = 666.

It is not a de Polignac number, because 82587317954823 - 2¹³ = 82587317946631 is a prime.

It is a super-2 number, since 2×82587317954823² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82587317954623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417107666340 + ... + 417107666537.

It is an arithmetic number, because the mean of its divisors is an integer number (10844799327414).

Almost surely, 2^{82587317954823} is an apocalyptic number.

82587317954823 is a deficient number, since it is larger than the sum of its proper divisors (47550273974145).

82587317954823 is a wasteful number, since it uses less digits than its factorization.

82587317954823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834215332894 (or 834215332891 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 82587317954823 in words is "eighty-two trillion, five hundred eighty-seven billion, three hundred seventeen million, nine hundred fifty-four thousand, eight hundred twenty-three".