47718789 has 8 divisors (see below), whose sum is σ = 65344800. Its totient is φ = 30952656.

The previous prime is 47718773. The next prime is 47718809. The reversal of 47718789 is 98781774.

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

It is not a de Polignac number, because 47718789 - 2⁴ = 47718773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47718289) 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, 214839 + ... + 215060.

It is an arithmetic number, because the mean of its divisors is an integer number (8168100).

Almost surely, 2^47718789 is an apocalyptic number.

It is an amenable number.

47718789 is a deficient number, since it is larger than the sum of its proper divisors (17626011).

47718789 is a wasteful number, since it uses less digits than its factorization.

47718789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429939.

The product of its digits is 790272, while the sum is 51.

The square root of 47718789 is about 6907.8787626883. The cubic root of 47718789 is about 362.7130137650.

The spelling of 47718789 in words is "forty-seven million, seven hundred eighteen thousand, seven hundred eighty-nine".