82586283021 has 24 divisors (see below), whose sum is σ = 134955815904. Its totient is φ = 50052291120.

The previous prime is 82586282993. The next prime is 82586283023. The reversal of 82586283021 is 12038268528.

It is not a de Polignac number, because 82586283021 - 2⁶ = 82586282957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82586283023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15445566 + ... + 15450911.

It is an arithmetic number, because the mean of its divisors is an integer number (5623158996).

Almost surely, 2^82586283021 is an apocalyptic number.

82586283021 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

82586283021 is a deficient number, since it is larger than the sum of its proper divisors (52369532883).

82586283021 is a wasteful number, since it uses less digits than its factorization.

82586283021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30896503 (or 30896491 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 82586283021 in words is "eighty-two billion, five hundred eighty-six million, two hundred eighty-three thousand, twenty-one".