38762915689 has 27 divisors (see below), whose sum is σ = 40863285181. Its totient is φ = 36769869080.

The previous prime is 38762915669. The next prime is 38762915699. The reversal of 38762915689 is 98651926783.

The square root of 38762915689 is 196883.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 38762915689 - 2¹³ = 38762907497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38762915689.

It is not an unprimeable number, because it can be changed into a prime (38762915669) 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 26 ways as a sum of consecutive naturals, for example, 545956524 + ... + 545956594.

Almost surely, 2^38762915689 is an apocalyptic number.

38762915689 is the 196883-rd square number.

38762915689 is the 98442-nd centered octagonal number.

It is an amenable number.

38762915689 is a deficient number, since it is larger than the sum of its proper divisors (2100369492).

38762915689 is an frugal number, since it uses more digits than its factorization.

38762915689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 177 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

Multiplying 38762915689 by its sum of digits (64), we get a square (2480826604096 = 1575064²).

The spelling of 38762915689 in words is "thirty-eight billion, seven hundred sixty-two million, nine hundred fifteen thousand, six hundred eighty-nine".