523539748887 has 4 divisors (see below), whose sum is σ = 698052998520. Its totient is φ = 349026499256.

The previous prime is 523539748867. The next prime is 523539748937. The reversal of 523539748887 is 788847935325.

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 523539748887 - 2⁷ = 523539748759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523539748867) 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, 87256624812 + ... + 87256624817.

It is an arithmetic number, because the mean of its divisors is an integer number (174513249630).

Almost surely, 2^523539748887 is an apocalyptic number.

523539748887 is a deficient number, since it is larger than the sum of its proper divisors (174513249633).

523539748887 is a wasteful number, since it uses less digits than its factorization.

523539748887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174513249632.

The product of its digits is 406425600, while the sum is 69.

The spelling of 523539748887 in words is "five hundred twenty-three billion, five hundred thirty-nine million, seven hundred forty-eight thousand, eight hundred eighty-seven".