39782215485 has 48 divisors (see below), whose sum is σ = 72902419200. Its totient is φ = 20012614272.

The previous prime is 39782215441. The next prime is 39782215507. The reversal of 39782215485 is 58451228793.

39782215485 is a `hidden beast` number, since 3 + 9 + 78 + 2 + 21 + 548 + 5 = 666.

It is not a de Polignac number, because 39782215485 - 2²⁴ = 39765438269 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 94204 + ... + 297386.

It is an arithmetic number, because the mean of its divisors is an integer number (1518800400).

Almost surely, 2^39782215485 is an apocalyptic number.

It is an amenable number.

39782215485 is a deficient number, since it is larger than the sum of its proper divisors (33120203715).

39782215485 is a wasteful number, since it uses less digits than its factorization.

39782215485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203442 (or 203439 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 39782215485 in words is "thirty-nine billion, seven hundred eighty-two million, two hundred fifteen thousand, four hundred eighty-five".