47845854 has 72 divisors (see below), whose sum is σ = 127724688. Its totient is φ = 12862080.

The previous prime is 47845843. The next prime is 47845867. The reversal of 47845854 is 45854874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13399 + ... + 16589.

It is an arithmetic number, because the mean of its divisors is an integer number (1773954).

Almost surely, 2^47845854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47845854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63862344).

47845854 is an abundant number, since it is smaller than the sum of its proper divisors (79878834).

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

47845854 is a wasteful number, since it uses less digits than its factorization.

47845854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3220 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 47845854 is about 6917.0697553227. The cubic root of 47845854 is about 363.0346710048.

The spelling of 47845854 in words is "forty-seven million, eight hundred forty-five thousand, eight hundred fifty-four".