248783871 has 8 divisors (see below), whose sum is σ = 379099264. Its totient is φ = 142162200.

The previous prime is 248783867. The next prime is 248783879. The reversal of 248783871 is 178387842.

It is a happy number.

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

It is not a de Polignac number, because 248783871 - 2² = 248783867 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 248783871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248783879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5923405 + ... + 5923446.

It is an arithmetic number, because the mean of its divisors is an integer number (47387408).

Almost surely, 2^248783871 is an apocalyptic number.

248783871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

248783871 is a deficient number, since it is larger than the sum of its proper divisors (130315393).

248783871 is a wasteful number, since it uses less digits than its factorization.

248783871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846861.

The product of its digits is 602112, while the sum is 48.

The square root of 248783871 is about 15772.8840419246. The cubic root of 248783871 is about 628.9373797633.

The spelling of 248783871 in words is "two hundred forty-eight million, seven hundred eighty-three thousand, eight hundred seventy-one".