47889793 has 8 divisors (see below), whose sum is σ = 55764288. Its totient is φ = 40273584.

The previous prime is 47889781. The next prime is 47889811. The reversal of 47889793 is 39798874.

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

It is a cyclic number.

It is not a de Polignac number, because 47889793 - 2¹³ = 47881601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47889733) 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, 64171 + ... + 64912.

It is an arithmetic number, because the mean of its divisors is an integer number (6970536).

Almost surely, 2^47889793 is an apocalyptic number.

It is an amenable number.

47889793 is a deficient number, since it is larger than the sum of its proper divisors (7874495).

47889793 is a wasteful number, since it uses less digits than its factorization.

47889793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129143.

The product of its digits is 3048192, while the sum is 55.

The square root of 47889793 is about 6920.2451546170. The cubic root of 47889793 is about 363.1457673598.

The spelling of 47889793 in words is "forty-seven million, eight hundred eighty-nine thousand, seven hundred ninety-three".