538800060787221 has 8 divisors (see below), whose sum is σ = 718533587869344. Its totient is φ = 359133287114960.

The previous prime is 538800060787201. The next prime is 538800060787223. The reversal of 538800060787221 is 122787060008835.

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 538800060787221 - 2²⁹ = 538799523916309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538800060787223) 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, 16688333631 + ... + 16688365916.

It is an arithmetic number, because the mean of its divisors is an integer number (89816698483668).

Almost surely, 2^{538800060787221} is an apocalyptic number.

It is an amenable number.

538800060787221 is a deficient number, since it is larger than the sum of its proper divisors (179733527082123).

538800060787221 is a wasteful number, since it uses less digits than its factorization.

538800060787221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33376704931.

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 538800060787221 in words is "five hundred thirty-eight trillion, eight hundred billion, sixty million, seven hundred eighty-seven thousand, two hundred twenty-one".