38689087545 has 24 divisors (see below), whose sum is σ = 67068698112. Its totient is φ = 20631837600.

The previous prime is 38689087529. The next prime is 38689087571. The reversal of 38689087545 is 54578098683.

38689087545 is a `hidden beast` number, since 3 + 8 + 6 + 8 + 9 + 0 + 87 + 545 = 666.

It is not a de Polignac number, because 38689087545 - 2⁴ = 38689087529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396690 + ... + 484500.

It is an arithmetic number, because the mean of its divisors is an integer number (2794529088).

Almost surely, 2^38689087545 is an apocalyptic number.

It is an amenable number.

38689087545 is a deficient number, since it is larger than the sum of its proper divisors (28379610567).

38689087545 is a wasteful number, since it uses less digits than its factorization.

38689087545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97613 (or 97610 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 38689087545 in words is "thirty-eight billion, six hundred eighty-nine million, eighty-seven thousand, five hundred forty-five".