47287757443 has 4 divisors (see below), whose sum is σ = 47423252800. Its totient is φ = 47152262088.

The previous prime is 47287757393. The next prime is 47287757533. The reversal of 47287757443 is 34475778274.

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 47287757443 - 2²¹ = 47285660291 is a prime.

It is a super-2 number, since 2×47287757443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47287751443) 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, 67747155 + ... + 67747852.

It is an arithmetic number, because the mean of its divisors is an integer number (11855813200).

Almost surely, 2^47287757443 is an apocalyptic number.

47287757443 is a deficient number, since it is larger than the sum of its proper divisors (135495357).

47287757443 is a wasteful number, since it uses less digits than its factorization.

47287757443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135495356.

The product of its digits is 36879360, while the sum is 58.

The spelling of 47287757443 in words is "forty-seven billion, two hundred eighty-seven million, seven hundred fifty-seven thousand, four hundred forty-three".