82385478158 has 16 divisors (see below), whose sum is σ = 126569217600. Its totient is φ = 40200762336.

The previous prime is 82385478113. The next prime is 82385478163. The reversal of 82385478158 is 85187458328.

It is a super-2 number, since 2×82385478158² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82385478097 and 82385478106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1222841 + ... + 1288452.

It is an arithmetic number, because the mean of its divisors is an integer number (7910576100).

Almost surely, 2^82385478158 is an apocalyptic number.

82385478158 is a deficient number, since it is larger than the sum of its proper divisors (44183739442).

82385478158 is a wasteful number, since it uses less digits than its factorization.

82385478158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511691.

The product of its digits is 17203200, while the sum is 59.

The spelling of 82385478158 in words is "eighty-two billion, three hundred eighty-five million, four hundred seventy-eight thousand, one hundred fifty-eight".