538305740487 has 6 divisors (see below), whose sum is σ = 777552736272. Its totient is φ = 358870493652.

The previous prime is 538305740459. The next prime is 538305740509. The reversal of 538305740487 is 784047503835.

It is a happy number.

538305740487 is a `hidden beast` number, since 5 + 38 + 30 + 574 + 0 + 4 + 8 + 7 = 666.

It is not a de Polignac number, because 538305740487 - 2¹⁸ = 538305478343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538305740417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29905874463 + ... + 29905874480.

It is an arithmetic number, because the mean of its divisors is an integer number (129592122712).

Almost surely, 2^538305740487 is an apocalyptic number.

538305740487 is a deficient number, since it is larger than the sum of its proper divisors (239246995785).

538305740487 is a wasteful number, since it uses less digits than its factorization.

538305740487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59811748949 (or 59811748946 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 538305740487 in words is "five hundred thirty-eight billion, three hundred five million, seven hundred forty thousand, four hundred eighty-seven".