36782385531 has 4 divisors (see below), whose sum is σ = 49043180712. Its totient is φ = 24521590352.

The previous prime is 36782385527. The next prime is 36782385533. The reversal of 36782385531 is 13558328763.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36782385531 - 2² = 36782385527 is a prime.

It is a super-2 number, since 2×36782385531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36782385533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6130397586 + ... + 6130397591.

It is an arithmetic number, because the mean of its divisors is an integer number (12260795178).

Almost surely, 2^36782385531 is an apocalyptic number.

36782385531 is a deficient number, since it is larger than the sum of its proper divisors (12260795181).

36782385531 is a wasteful number, since it uses less digits than its factorization.

36782385531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260795180.

The product of its digits is 3628800, while the sum is 51.

It can be divided in two parts, 367823 and 85531, that added together give a palindrome (453354).

The spelling of 36782385531 in words is "thirty-six billion, seven hundred eighty-two million, three hundred eighty-five thousand, five hundred thirty-one".