248871478 has 8 divisors (see below), whose sum is σ = 374042160. Its totient is φ = 124190760.

The previous prime is 248871457. The next prime is 248871529. The reversal of 248871478 is 874178842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 121218 + ... + 123253.

It is an arithmetic number, because the mean of its divisors is an integer number (46755270).

Almost surely, 2^248871478 is an apocalyptic number.

248871478 is a deficient number, since it is larger than the sum of its proper divisors (125170682).

248871478 is a wasteful number, since it uses less digits than its factorization.

248871478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244982.

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

The square root of 248871478 is about 15775.6609370257. The cubic root of 248871478 is about 629.0111959777.

The spelling of 248871478 in words is "two hundred forty-eight million, eight hundred seventy-one thousand, four hundred seventy-eight".