248784797 has 2 divisors, whose sum is σ = 248784798. Its totient is φ = 248784796.

The previous prime is 248784791. The next prime is 248784829. The reversal of 248784797 is 797487842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176517796 + 72267001 = 13286^2 + 8501^2 .

It is a cyclic number.

It is not a de Polignac number, because 248784797 - 2¹⁴ = 248768413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248784791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124392398 + 124392399.

It is an arithmetic number, because the mean of its divisors is an integer number (124392399).

Almost surely, 2^248784797 is an apocalyptic number.

It is an amenable number.

248784797 is a deficient number, since it is larger than the sum of its proper divisors (1).

248784797 is an equidigital number, since it uses as much as digits as its factorization.

248784797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6322176, while the sum is 56.

The square root of 248784797 is about 15772.9133960724. The cubic root of 248784797 is about 628.9381600862.

The spelling of 248784797 in words is "two hundred forty-eight million, seven hundred eighty-four thousand, seven hundred ninety-seven".