47768578 has 16 divisors (see below), whose sum is σ = 84180096. Its totient is φ = 20042640.

The previous prime is 47768573. The next prime is 47768579. The reversal of 47768578 is 87586774.

It is not an unprimeable number, because it can be changed into a prime (47768573) 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, 83226 + ... + 83797.

It is an arithmetic number, because the mean of its divisors is an integer number (5261256).

Almost surely, 2^47768578 is an apocalyptic number.

47768578 is a deficient number, since it is larger than the sum of its proper divisors (36411518).

47768578 is a wasteful number, since it uses less digits than its factorization.

47768578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167049.

The product of its digits is 2634240, while the sum is 52.

The square root of 47768578 is about 6911.4816067179. The cubic root of 47768578 is about 362.8391195149.

The spelling of 47768578 in words is "forty-seven million, seven hundred sixty-eight thousand, five hundred seventy-eight".