248878147 has 16 divisors (see below), whose sum is σ = 314260992. Its totient is φ = 192044160.

The previous prime is 248878141. The next prime is 248878151. The reversal of 248878147 is 741878842.

248878147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248878147 - 2³ = 248878139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248878147.

It is not an unprimeable number, because it can be changed into a prime (248878141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42729 + ... + 48202.

It is an arithmetic number, because the mean of its divisors is an integer number (19641312).

Almost surely, 2^248878147 is an apocalyptic number.

248878147 is a deficient number, since it is larger than the sum of its proper divisors (65382845).

248878147 is a wasteful number, since it uses less digits than its factorization.

248878147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90978.

The product of its digits is 802816, while the sum is 49.

The square root of 248878147 is about 15775.8723055177. The cubic root of 248878147 is about 629.0168144576.

The spelling of 248878147 in words is "two hundred forty-eight million, eight hundred seventy-eight thousand, one hundred forty-seven".