248868911 has 4 divisors (see below), whose sum is σ = 250359312. Its totient is φ = 247378512.

The previous prime is 248868863. The next prime is 248868913. The reversal of 248868911 is 119868842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119868842 = 2 ⋅59934421.

It is a cyclic number.

It is not a de Polignac number, because 248868911 - 2²² = 244674607 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 (248868913) 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, 744950 + ... + 745283.

It is an arithmetic number, because the mean of its divisors is an integer number (62589828).

Almost surely, 2^248868911 is an apocalyptic number.

248868911 is a deficient number, since it is larger than the sum of its proper divisors (1490401).

248868911 is a wasteful number, since it uses less digits than its factorization.

248868911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490400.

The product of its digits is 221184, while the sum is 47.

The square root of 248868911 is about 15775.5795773087. The cubic root of 248868911 is about 629.0090333122.

The spelling of 248868911 in words is "two hundred forty-eight million, eight hundred sixty-eight thousand, nine hundred eleven".