47853789 has 4 divisors (see below), whose sum is σ = 63805056. Its totient is φ = 31902524.

The previous prime is 47853781. The next prime is 47853791. The reversal of 47853789 is 98735874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47853789 - 2³ = 47853781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47853781) 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, 7975629 + ... + 7975634.

It is an arithmetic number, because the mean of its divisors is an integer number (15951264).

Almost surely, 2^47853789 is an apocalyptic number.

It is an amenable number.

47853789 is a deficient number, since it is larger than the sum of its proper divisors (15951267).

47853789 is a wasteful number, since it uses less digits than its factorization.

47853789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15951266.

The product of its digits is 1693440, while the sum is 51.

The square root of 47853789 is about 6917.6433125740. The cubic root of 47853789 is about 363.0547390681.

The spelling of 47853789 in words is "forty-seven million, eight hundred fifty-three thousand, seven hundred eighty-nine".