47981118 has 32 divisors (see below), whose sum is σ = 104279040. Its totient is φ = 14662080.

The previous prime is 47981107. The next prime is 47981183. The reversal of 47981118 is 81118974.

47981118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 10322.

It is an arithmetic number, because the mean of its divisors is an integer number (3258720).

Almost surely, 2^47981118 is an apocalyptic number.

47981118 is an abundant number, since it is smaller than the sum of its proper divisors (56297922).

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

47981118 is a wasteful number, since it uses less digits than its factorization.

47981118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632.

The product of its digits is 16128, while the sum is 39.

The square root of 47981118 is about 6926.8404052641. The cubic root of 47981118 is about 363.3764583289.

The spelling of 47981118 in words is "forty-seven million, nine hundred eighty-one thousand, one hundred eighteen".