82505883 has 4 divisors (see below), whose sum is σ = 110007848. Its totient is φ = 55003920.

The previous prime is 82505867. The next prime is 82505887. The reversal of 82505883 is 38850528.

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

It is not a de Polignac number, because 82505883 - 2⁴ = 82505867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82505887) 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, 13750978 + ... + 13750983.

It is an arithmetic number, because the mean of its divisors is an integer number (27501962).

Almost surely, 2^82505883 is an apocalyptic number.

82505883 is a deficient number, since it is larger than the sum of its proper divisors (27501965).

82505883 is a wasteful number, since it uses less digits than its factorization.

82505883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501964.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 82505883 is about 9083.2749050109. The cubic root of 82505883 is about 435.3397319603.

The spelling of 82505883 in words is "eighty-two million, five hundred five thousand, eight hundred eighty-three".