948814859 has 2 divisors, whose sum is σ = 948814860. Its totient is φ = 948814858.

The previous prime is 948814787. The next prime is 948814879. The reversal of 948814859 is 958418849.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948814859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (948814879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474407429 + 474407430.

It is an arithmetic number, because the mean of its divisors is an integer number (474407430).

Almost surely, 2^948814859 is an apocalyptic number.

948814859 is a deficient number, since it is larger than the sum of its proper divisors (1).

948814859 is an equidigital number, since it uses as much as digits as its factorization.

948814859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 56.

The square root of 948814859 is about 30802.8384893341. The cubic root of 948814859 is about 982.6386129153.

The spelling of 948814859 in words is "nine hundred forty-eight million, eight hundred fourteen thousand, eight hundred fifty-nine".