82600564381 has 16 divisors (see below), whose sum is σ = 84662772480. Its totient is φ = 80569653120.

The previous prime is 82600564379. The next prime is 82600564421. The reversal of 82600564381 is 18346500628.

It is a cyclic number.

It is not a de Polignac number, because 82600564381 - 2¹ = 82600564379 is a prime.

It is a super-2 number, since 2×82600564381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82600564301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393791 + ... + 2428051.

It is an arithmetic number, because the mean of its divisors is an integer number (5291423280).

Almost surely, 2^82600564381 is an apocalyptic number.

It is an amenable number.

82600564381 is a deficient number, since it is larger than the sum of its proper divisors (2062208099).

82600564381 is a wasteful number, since it uses less digits than its factorization.

82600564381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 82600564381 in words is "eighty-two billion, six hundred million, five hundred sixty-four thousand, three hundred eighty-one".