538257118387 has 4 divisors (see below), whose sum is σ = 538259315400. Its totient is φ = 538254921376.

The previous prime is 538257118369. The next prime is 538257118393. The reversal of 538257118387 is 783811752835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538257118387 - 2¹¹ = 538257116339 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538257118397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677137 + ... + 1238962.

It is an arithmetic number, because the mean of its divisors is an integer number (134564828850).

Almost surely, 2^538257118387 is an apocalyptic number.

538257118387 is a deficient number, since it is larger than the sum of its proper divisors (2197013).

538257118387 is a wasteful number, since it uses less digits than its factorization.

538257118387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197012.

The product of its digits is 11289600, while the sum is 58.

The spelling of 538257118387 in words is "five hundred thirty-eight billion, two hundred fifty-seven million, one hundred eighteen thousand, three hundred eighty-seven".