38528377647 has 16 divisors (see below), whose sum is σ = 51816885120. Its totient is φ = 25463272032.

The previous prime is 38528377597. The next prime is 38528377649. The reversal of 38528377647 is 74677382583.

It is not a de Polignac number, because 38528377647 - 2²⁷ = 38394159919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38528377649) 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, 217173 + ... + 352449.

It is an arithmetic number, because the mean of its divisors is an integer number (3238555320).

Almost surely, 2^38528377647 is an apocalyptic number.

38528377647 is a deficient number, since it is larger than the sum of its proper divisors (13288507473).

38528377647 is a wasteful number, since it uses less digits than its factorization.

38528377647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136102.

The product of its digits is 47416320, while the sum is 60.

The spelling of 38528377647 in words is "thirty-eight billion, five hundred twenty-eight million, three hundred seventy-seven thousand, six hundred forty-seven".