38702387092 has 6 divisors (see below), whose sum is σ = 67729177418. Its totient is φ = 19351193544.

The previous prime is 38702387071. The next prime is 38702387149. The reversal of 38702387092 is 29078320783.

It can be written as a sum of positive squares in only one way, i.e., 29837034756 + 8865352336 = 172734^2 + 94156^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4837798383 + ... + 4837798390.

Almost surely, 2^38702387092 is an apocalyptic number.

It is an amenable number.

38702387092 is a deficient number, since it is larger than the sum of its proper divisors (29026790326).

38702387092 is a wasteful number, since it uses less digits than its factorization.

38702387092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675596777 (or 9675596775 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 38702387092 in words is "thirty-eight billion, seven hundred two million, three hundred eighty-seven thousand, ninety-two".