82586738 has 24 divisors (see below), whose sum is σ = 137484228. Its totient is φ = 36960192.

The previous prime is 82586737. The next prime is 82586747. The reversal of 82586738 is 83768528.

It can be written as a sum of positive squares in 6 ways, for example, as 79263409 + 3323329 = 8903^2 + 1823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82586692 and 82586701.

It is not an unprimeable number, because it can be changed into a prime (82586737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281720 + ... + 282012.

Almost surely, 2^82586738 is an apocalyptic number.

82586738 is a deficient number, since it is larger than the sum of its proper divisors (54897490).

82586738 is a wasteful number, since it uses less digits than its factorization.

82586738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 345 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 82586738 is about 9087.7245776927. The cubic root of 82586738 is about 435.4818951639.

The spelling of 82586738 in words is "eighty-two million, five hundred eighty-six thousand, seven hundred thirty-eight".