82496839 has 4 divisors (see below), whose sum is σ = 82561456. Its totient is φ = 82432224.

The previous prime is 82496819. The next prime is 82496861. The reversal of 82496839 is 93869428.

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 82496839 - 2¹³ = 82488647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82496792 and 82496801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82496819) 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, 30354 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (20640364).

Almost surely, 2^82496839 is an apocalyptic number.

82496839 is a deficient number, since it is larger than the sum of its proper divisors (64617).

82496839 is a wasteful number, since it uses less digits than its factorization.

82496839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64616.

The product of its digits is 746496, while the sum is 49.

The square root of 82496839 is about 9082.7770533026. Note that the first 3 decimals coincide. The cubic root of 82496839 is about 435.3238245839.

The spelling of 82496839 in words is "eighty-two million, four hundred ninety-six thousand, eight hundred thirty-nine".