39144007487 has 16 divisors (see below), whose sum is σ = 44817893568. Its totient is φ = 33909807360.

The previous prime is 39144007403. The next prime is 39144007517. The reversal of 39144007487 is 78470044193.

It is a happy number.

It is not a de Polignac number, because 39144007487 - 2¹⁰ = 39144006463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39144007787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1219214 + ... + 1250907.

It is an arithmetic number, because the mean of its divisors is an integer number (2801118348).

Almost surely, 2^39144007487 is an apocalyptic number.

39144007487 is a deficient number, since it is larger than the sum of its proper divisors (5673886081).

39144007487 is a wasteful number, since it uses less digits than its factorization.

39144007487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470210.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 39144007487 in words is "thirty-nine billion, one hundred forty-four million, seven thousand, four hundred eighty-seven".