248804863 has 4 divisors (see below), whose sum is σ = 248943168. Its totient is φ = 248666560.

The previous prime is 248804849. The next prime is 248804873. The reversal of 248804863 is 368408842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248804863 - 2²¹ = 246707711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248804873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66418 + ... + 70063.

It is an arithmetic number, because the mean of its divisors is an integer number (62235792).

Almost surely, 2^248804863 is an apocalyptic number.

248804863 is a deficient number, since it is larger than the sum of its proper divisors (138305).

248804863 is a wasteful number, since it uses less digits than its factorization.

248804863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138304.

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 248804863 is about 15773.5494737234. The cubic root of 248804863 is about 628.9550688550.

The spelling of 248804863 in words is "two hundred forty-eight million, eight hundred four thousand, eight hundred sixty-three".