82879488439 has 4 divisors (see below), whose sum is σ = 90413987400. Its totient is φ = 75344989480.

The previous prime is 82879488427. The next prime is 82879488457. The reversal of 82879488439 is 93488497828.

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

It is a cyclic number.

It is not a de Polignac number, because 82879488439 - 2²⁹ = 82342617527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82879489439) 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, 3767249464 + ... + 3767249485.

It is an arithmetic number, because the mean of its divisors is an integer number (22603496850).

Almost surely, 2^82879488439 is an apocalyptic number.

82879488439 is a deficient number, since it is larger than the sum of its proper divisors (7534498961).

82879488439 is a wasteful number, since it uses less digits than its factorization.

82879488439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534498960.

The product of its digits is 222953472, while the sum is 70.

The spelling of 82879488439 in words is "eighty-two billion, eight hundred seventy-nine million, four hundred eighty-eight thousand, four hundred thirty-nine".