82387413 has 6 divisors (see below), whose sum is σ = 119004054. Its totient is φ = 54924936.

The previous prime is 82387397. The next prime is 82387427. The reversal of 82387413 is 31478328.

82387413 is a `hidden beast` number, since 8 + 238 + 7 + 413 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 6749604 = 8697^2 + 2598^2 .

It is not a de Polignac number, because 82387413 - 2⁴ = 82387397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82387453) 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 5 ways as a sum of consecutive naturals, for example, 4577070 + ... + 4577087.

It is an arithmetic number, because the mean of its divisors is an integer number (19834009).

Almost surely, 2^82387413 is an apocalyptic number.

It is an amenable number.

82387413 is a deficient number, since it is larger than the sum of its proper divisors (36616641).

82387413 is a wasteful number, since it uses less digits than its factorization.

82387413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154163 (or 9154160 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 82387413 is about 9076.7512359875. The cubic root of 82387413 is about 435.1312643892.

It can be divided in two parts, 8238 and 7413, that added together give a palindrome (15651).

The spelling of 82387413 in words is "eighty-two million, three hundred eighty-seven thousand, four hundred thirteen".