248378199 has 4 divisors (see below), whose sum is σ = 331170936. Its totient is φ = 165585464.

The previous prime is 248378183. The next prime is 248378201. The reversal of 248378199 is 991873842.

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 248378199 - 2⁴ = 248378183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248378159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41396364 + ... + 41396369.

It is an arithmetic number, because the mean of its divisors is an integer number (82792734).

Almost surely, 2^248378199 is an apocalyptic number.

248378199 is a deficient number, since it is larger than the sum of its proper divisors (82792737).

248378199 is an equidigital number, since it uses as much as digits as its factorization.

248378199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82792736.

The product of its digits is 870912, while the sum is 51.

The square root of 248378199 is about 15760.0190037956. The cubic root of 248378199 is about 628.5953411234.

The spelling of 248378199 in words is "two hundred forty-eight million, three hundred seventy-eight thousand, one hundred ninety-nine".