248766839 has 2 divisors, whose sum is σ = 248766840. Its totient is φ = 248766838.

The previous prime is 248766823. The next prime is 248766857. The reversal of 248766839 is 938667842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248766839 - 2⁴ = 248766823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248766809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124383419 + 124383420.

It is an arithmetic number, because the mean of its divisors is an integer number (124383420).

Almost surely, 2^248766839 is an apocalyptic number.

248766839 is a deficient number, since it is larger than the sum of its proper divisors (1).

248766839 is an equidigital number, since it uses as much as digits as its factorization.

248766839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The square root of 248766839 is about 15772.3441187415. The cubic root of 248766839 is about 628.9230268688.

The spelling of 248766839 in words is "two hundred forty-eight million, seven hundred sixty-six thousand, eight hundred thirty-nine".