47787712 has 28 divisors (see below), whose sum is σ = 108376720. Its totient is φ = 20480256.

The previous prime is 47787689. The next prime is 47787713. The reversal of 47787712 is 21778774.

It is a tau number, because it is divible by the number of its divisors (28).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (47787713) 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, 52887 + ... + 53782.

Almost surely, 2^47787712 is an apocalyptic number.

It is an amenable number.

47787712 is an abundant number, since it is smaller than the sum of its proper divisors (60589008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47787712 is a wasteful number, since it uses less digits than its factorization.

47787712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106688 (or 106678 counting only the distinct ones).

The product of its digits is 153664, while the sum is 43.

The square root of 47787712 is about 6912.8656865297. The cubic root of 47787712 is about 362.8875588674.

The spelling of 47787712 in words is "forty-seven million, seven hundred eighty-seven thousand, seven hundred twelve".