248171870 has 16 divisors (see below), whose sum is σ = 448830288. Its totient is φ = 98797440.

The previous prime is 248171849. The next prime is 248171873. The reversal of 248171870 is 78171842.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248171873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56699 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (28051893).

Almost surely, 2^248171870 is an apocalyptic number.

248171870 is a deficient number, since it is larger than the sum of its proper divisors (200658418).

248171870 is a wasteful number, since it uses less digits than its factorization.

248171870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117835.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 248171870 is about 15753.4716808709. The cubic root of 248171870 is about 628.4212338163.

The spelling of 248171870 in words is "two hundred forty-eight million, one hundred seventy-one thousand, eight hundred seventy".