248878208329 has 2 divisors, whose sum is σ = 248878208330. Its totient is φ = 248878208328.

The previous prime is 248878208309. The next prime is 248878208339. The reversal of 248878208329 is 923802878842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156293715600 + 92584492729 = 395340^2 + 304277^2 .

It is a cyclic number.

It is not a de Polignac number, because 248878208329 - 2⁵ = 248878208297 is a prime.

It is not a weakly prime, because it can be changed into another prime (248878208309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124439104164 + 124439104165.

It is an arithmetic number, because the mean of its divisors is an integer number (124439104165).

Almost surely, 2^248878208329 is an apocalyptic number.

It is an amenable number.

248878208329 is a deficient number, since it is larger than the sum of its proper divisors (1).

248878208329 is an equidigital number, since it uses as much as digits as its factorization.

248878208329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 248878208329 in words is "two hundred forty-eight billion, eight hundred seventy-eight million, two hundred eight thousand, three hundred twenty-nine".