52684067847 has 4 divisors (see below), whose sum is σ = 70245423800. Its totient is φ = 35122711896.

The previous prime is 52684067833. The next prime is 52684067897. The reversal of 52684067847 is 74876048625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52684067847 - 2¹¹ = 52684065799 is a prime.

It is a super-2 number, since 2×52684067847² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52684067897) 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, 8780677972 + ... + 8780677977.

It is an arithmetic number, because the mean of its divisors is an integer number (17561355950).

Almost surely, 2^52684067847 is an apocalyptic number.

52684067847 is a deficient number, since it is larger than the sum of its proper divisors (17561355953).

52684067847 is a wasteful number, since it uses less digits than its factorization.

52684067847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17561355952.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 52684067847 in words is "fifty-two billion, six hundred eighty-four million, sixty-seven thousand, eight hundred forty-seven".