538660089687 has 8 divisors (see below), whose sum is σ = 718228091520. Its totient is φ = 359099407160.

The previous prime is 538660089661. The next prime is 538660089691. The reversal of 538660089687 is 786980066835.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 538660089687 - 2¹² = 538660085591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538660089607) 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, 1655739 + ... + 1954172.

It is an arithmetic number, because the mean of its divisors is an integer number (89778511440).

Almost surely, 2^538660089687 is an apocalyptic number.

538660089687 is a deficient number, since it is larger than the sum of its proper divisors (179568001833).

538660089687 is a wasteful number, since it uses less digits than its factorization.

538660089687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659653.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 538660089687 in words is "five hundred thirty-eight billion, six hundred sixty million, eighty-nine thousand, six hundred eighty-seven".