82113550239 has 8 divisors (see below), whose sum is σ = 125125409920. Its totient is φ = 46922028696.

The previous prime is 82113550213. The next prime is 82113550241. The reversal of 82113550239 is 93205531128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82113550239 - 2⁷ = 82113550111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82113550197 and 82113550206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82113550139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955084509 + ... + 1955084550.

It is an arithmetic number, because the mean of its divisors is an integer number (15640676240).

Almost surely, 2^82113550239 is an apocalyptic number.

82113550239 is a deficient number, since it is larger than the sum of its proper divisors (43011859681).

82113550239 is a wasteful number, since it uses less digits than its factorization.

82113550239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910169069.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 82113550239 in words is "eighty-two billion, one hundred thirteen million, five hundred fifty thousand, two hundred thirty-nine".