47238526361687 has 4 divisors (see below), whose sum is σ = 47241430326216. Its totient is φ = 47235622397160.

The previous prime is 47238526361669. The next prime is 47238526361737. The reversal of 47238526361687 is 78616362583274.

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 47238526361687 - 2¹⁸ = 47238526099543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47238526360687) 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, 1451957864 + ... + 1451990397.

It is an arithmetic number, because the mean of its divisors is an integer number (11810357581554).

Almost surely, 2^{47238526361687} is an apocalyptic number.

47238526361687 is a deficient number, since it is larger than the sum of its proper divisors (2903964529).

47238526361687 is a wasteful number, since it uses less digits than its factorization.

47238526361687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903964528.

The product of its digits is 487710720, while the sum is 68.

The spelling of 47238526361687 in words is "forty-seven trillion, two hundred thirty-eight billion, five hundred twenty-six million, three hundred sixty-one thousand, six hundred eighty-seven".