47768917 has 8 divisors (see below), whose sum is σ = 55488512. Its totient is φ = 40273200.

The previous prime is 47768863. The next prime is 47768921. The reversal of 47768917 is 71986774.

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 47768917 - 2¹¹ = 47766869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47768947) 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, 55509 + ... + 56362.

It is an arithmetic number, because the mean of its divisors is an integer number (6936064).

Almost surely, 2^47768917 is an apocalyptic number.

It is an amenable number.

47768917 is a deficient number, since it is larger than the sum of its proper divisors (7719595).

47768917 is a wasteful number, since it uses less digits than its factorization.

47768917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111939.

The product of its digits is 592704, while the sum is 49.

The square root of 47768917 is about 6911.5061310832. The cubic root of 47768917 is about 362.8399778349.

The spelling of 47768917 in words is "forty-seven million, seven hundred sixty-eight thousand, nine hundred seventeen".