47853780 has 96 divisors (see below), whose sum is σ = 151939200. Its totient is φ = 11155968.

The previous prime is 47853769. The next prime is 47853781. The reversal of 47853780 is 8735874.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47853781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13206 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (1582700).

Almost surely, 2^47853780 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 47853780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75969600).

47853780 is an abundant number, since it is smaller than the sum of its proper divisors (104085420).

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

47853780 is a wasteful number, since it uses less digits than its factorization.

47853780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 47853780 is about 6917.6426620634. The cubic root of 47853780 is about 363.0547163078.

The spelling of 47853780 in words is "forty-seven million, eight hundred fifty-three thousand, seven hundred eighty".