47445872889 has 8 divisors (see below), whose sum is σ = 63267524320. Its totient is φ = 31627401696.

The previous prime is 47445872869. The next prime is 47445872891. The reversal of 47445872889 is 98827854474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47445872889 - 2¹² = 47445868793 is a prime.

It is a super-2 number, since 2×47445872889² (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 (47445872869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760027 + ... + 820080.

It is an arithmetic number, because the mean of its divisors is an integer number (7908440540).

Almost surely, 2^47445872889 is an apocalyptic number.

It is an amenable number.

47445872889 is a deficient number, since it is larger than the sum of its proper divisors (15821651431).

47445872889 is a wasteful number, since it uses less digits than its factorization.

47445872889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590119.

The product of its digits is 144506880, while the sum is 66.

The spelling of 47445872889 in words is "forty-seven billion, four hundred forty-five million, eight hundred seventy-two thousand, eight hundred eighty-nine".