38535866655 has 32 divisors (see below), whose sum is σ = 72436654080. Its totient is φ = 17246820480.

The previous prime is 38535866653. The next prime is 38535866669. The reversal of 38535866655 is 55666853583.

It is not a de Polignac number, because 38535866655 - 2¹ = 38535866653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38535866653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8980575 + ... + 8984864.

It is an arithmetic number, because the mean of its divisors is an integer number (2263645440).

Almost surely, 2^38535866655 is an apocalyptic number.

38535866655 is a deficient number, since it is larger than the sum of its proper divisors (33900787425).

38535866655 is a wasteful number, since it uses less digits than its factorization.

38535866655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17965471.

The product of its digits is 77760000, while the sum is 60.

The spelling of 38535866655 in words is "thirty-eight billion, five hundred thirty-five million, eight hundred sixty-six thousand, six hundred fifty-five".