82708423 has 12 divisors (see below), whose sum is σ = 96369672. Its totient is φ = 70776720.

The previous prime is 82708399. The next prime is 82708433. The reversal of 82708423 is 32480728.

It is a de Polignac number, because none of the positive numbers 2^k-82708423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82708433) 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, 43513 + ... + 45373.

It is an arithmetic number, because the mean of its divisors is an integer number (8030806).

Almost surely, 2^82708423 is an apocalyptic number.

82708423 is a deficient number, since it is larger than the sum of its proper divisors (13661249).

82708423 is a wasteful number, since it uses less digits than its factorization.

82708423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 82708423 is about 9094.4171336046. The cubic root of 82708423 is about 435.6956728666.

The spelling of 82708423 in words is "eighty-two million, seven hundred eight thousand, four hundred twenty-three".