82557875619 has 64 divisors (see below), whose sum is σ = 130637445120. Its totient is φ = 51417400320.

The previous prime is 82557875567. The next prime is 82557875639. The reversal of 82557875619 is 91657875528.

82557875619 is a `hidden beast` number, since 8 + 2 + 5 + 5 + 7 + 8 + 7 + 5 + 619 = 666.

It is not a de Polignac number, because 82557875619 - 2⁹ = 82557875107 is a prime.

It is a super-2 number, since 2×82557875619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82557875639) 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 63 ways as a sum of consecutive naturals, for example, 4660459 + ... + 4678139.

It is an arithmetic number, because the mean of its divisors is an integer number (2041210080).

Almost surely, 2^82557875619 is an apocalyptic number.

82557875619 is a deficient number, since it is larger than the sum of its proper divisors (48079569501).

82557875619 is a wasteful number, since it uses less digits than its factorization.

82557875619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17889 (or 17883 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 63.

Subtracting 82557875619 from its reverse (91657875528), we obtain a palindrome (9099999909).

The spelling of 82557875619 in words is "eighty-two billion, five hundred fifty-seven million, eight hundred seventy-five thousand, six hundred nineteen".