248668805 has 16 divisors (see below), whose sum is σ = 372034944. Its totient is φ = 155014080.

The previous prime is 248668753. The next prime is 248668811. The reversal of 248668805 is 508866842.

It is not a de Polignac number, because 248668805 - 2⁸ = 248668549 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 248668805.

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, 322562 + ... + 323331.

It is an arithmetic number, because the mean of its divisors is an integer number (23252184).

Almost surely, 2^248668805 is an apocalyptic number.

It is an amenable number.

248668805 is a deficient number, since it is larger than the sum of its proper divisors (123366139).

248668805 is a wasteful number, since it uses less digits than its factorization.

248668805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645916.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 248668805 is about 15769.2360309560. The cubic root of 248668805 is about 628.8404007156.

The spelling of 248668805 in words is "two hundred forty-eight million, six hundred sixty-eight thousand, eight hundred five".