82803517439 has 4 divisors (see below), whose sum is σ = 82923349560. Its totient is φ = 82683685320.

The previous prime is 82803517343. The next prime is 82803517441. The reversal of 82803517439 is 93471530828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82803517439 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 (82803517339) 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, 59915024 + ... + 59916405.

It is an arithmetic number, because the mean of its divisors is an integer number (20730837390).

Almost surely, 2^82803517439 is an apocalyptic number.

82803517439 is a deficient number, since it is larger than the sum of its proper divisors (119832121).

82803517439 is a wasteful number, since it uses less digits than its factorization.

82803517439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119832120.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 82803517439 in words is "eighty-two billion, eight hundred three million, five hundred seventeen thousand, four hundred thirty-nine".