48639178 has 16 divisors (see below), whose sum is σ = 83502144. Its totient is φ = 20815200.

The previous prime is 48639169. The next prime is 48639191. The reversal of 48639178 is 87193684.

It is a happy number.

48639178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 9478 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (5218884).

Almost surely, 2^48639178 is an apocalyptic number.

48639178 is a deficient number, since it is larger than the sum of its proper divisors (34862966).

48639178 is a wasteful number, since it uses less digits than its factorization.

48639178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037.

The product of its digits is 290304, while the sum is 46.

The square root of 48639178 is about 6974.1793782495. The cubic root of 48639178 is about 365.0301545113.

It can be divided in two parts, 4863 and 9178, that added together give a palindrome (14041).

The spelling of 48639178 in words is "forty-eight million, six hundred thirty-nine thousand, one hundred seventy-eight".