538683887 has 8 divisors (see below), whose sum is σ = 624310272. Its totient is φ = 455225400.

The previous prime is 538683883. The next prime is 538683907. The reversal of 538683887 is 788386835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538683887 - 2² = 538683883 is a prime.

It is a super-2 number, since 2×538683887² = 580360660226857538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538683883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541439 + ... + 542432.

It is an arithmetic number, because the mean of its divisors is an integer number (78038784).

Almost surely, 2^538683887 is an apocalyptic number.

538683887 is a deficient number, since it is larger than the sum of its proper divisors (85626385).

538683887 is a wasteful number, since it uses less digits than its factorization.

538683887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083949.

The product of its digits is 7741440, while the sum is 56.

The square root of 538683887 is about 23209.5645586039. The cubic root of 538683887 is about 813.6631763512.

The spelling of 538683887 in words is "five hundred thirty-eight million, six hundred eighty-three thousand, eight hundred eighty-seven".