47135880 has 96 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 11425920.

The previous prime is 47135863. The next prime is 47135887. The reversal of 47135880 is 8853174.

47135880 is a `hidden beast` number, since 4 + 71 + 3 + 588 + 0 = 666.

47135880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47135887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1992 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (1740960).

Almost surely, 2^47135880 is an apocalyptic number.

47135880 is a gapful number since it is divisible by the number (40) 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 47135880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83566080).

47135880 is an abundant number, since it is smaller than the sum of its proper divisors (119996280).

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

47135880 is a wasteful number, since it uses less digits than its factorization.

47135880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 47135880 is about 6865.5575155992. The cubic root of 47135880 is about 361.2300516197.

The spelling of 47135880 in words is "forty-seven million, one hundred thirty-five thousand, eight hundred eighty".