47788312 has 64 divisors (see below), whose sum is σ = 108208800. Its totient is φ = 19491840.

The previous prime is 47788297. The next prime is 47788313. The reversal of 47788312 is 21388774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47788313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41764 + ... + 42892.

Almost surely, 2^47788312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47788312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54104400).

47788312 is an abundant number, since it is smaller than the sum of its proper divisors (60420488).

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

47788312 is a wasteful number, since it uses less digits than its factorization.

47788312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 47788312 is about 6912.9090837360. The cubic root of 47788312 is about 362.8890776094.

The spelling of 47788312 in words is "forty-seven million, seven hundred eighty-eight thousand, three hundred twelve".