47109888 has 216 divisors, whose sum is σ = 163258368. Its totient is φ = 12773376.

The previous prime is 47109883. The next prime is 47109889. The reversal of 47109888 is 88890174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47109883) 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, 370881 + ... + 371007.

Almost surely, 2^47109888 is an apocalyptic number.

47109888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47109888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81629184).

47109888 is an abundant number, since it is smaller than the sum of its proper divisors (116148480).

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

47109888 is a wasteful number, since it uses less digits than its factorization.

47109888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 47109888 is about 6863.6643274566. The cubic root of 47109888 is about 361.1636420691.

The spelling of 47109888 in words is "forty-seven million, one hundred nine thousand, eight hundred eighty-eight".