39285786472 has 16 divisors (see below), whose sum is σ = 77993841060. Its totient is φ = 18487428864.

The previous prime is 39285786413. The next prime is 39285786473. The reversal of 39285786472 is 27468758293.

It can be written as a sum of positive squares in 2 ways, for example, as 38641337476 + 644448996 = 196574^2 + 25386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39285786472.

It is not an unprimeable number, because it can be changed into a prime (39285786473) 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, 144432903 + ... + 144433174.

Almost surely, 2^39285786472 is an apocalyptic number.

It is an amenable number.

39285786472 is a deficient number, since it is larger than the sum of its proper divisors (38708054588).

39285786472 is a wasteful number, since it uses less digits than its factorization.

39285786472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288866100 (or 288866096 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The spelling of 39285786472 in words is "thirty-nine billion, two hundred eighty-five million, seven hundred eighty-six thousand, four hundred seventy-two".