47287188 has 72 divisors (see below), whose sum is σ = 130457600. Its totient is φ = 14354496.

The previous prime is 47287171. The next prime is 47287189. The reversal of 47287188 is 88178274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47287189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36333 + ... + 37611.

Almost surely, 2^47287188 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 47287188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65228800).

47287188 is an abundant number, since it is smaller than the sum of its proper divisors (83170412).

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

47287188 is a wasteful number, since it uses less digits than its factorization.

47287188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1376 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 47287188 is about 6876.5680393638. The cubic root of 47287188 is about 361.6161595912.

The spelling of 47287188 in words is "forty-seven million, two hundred eighty-seven thousand, one hundred eighty-eight".