948778843 has 2 divisors, whose sum is σ = 948778844. Its totient is φ = 948778842.

The previous prime is 948778799. The next prime is 948778847. The reversal of 948778843 is 348877849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948778843 - 2²¹ = 946681691 is a prime.

It is not a weakly prime, because it can be changed into another prime (948778847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474389421 + 474389422.

It is an arithmetic number, because the mean of its divisors is an integer number (474389422).

Almost surely, 2^948778843 is an apocalyptic number.

948778843 is a deficient number, since it is larger than the sum of its proper divisors (1).

948778843 is an equidigital number, since it uses as much as digits as its factorization.

948778843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 58.

The square root of 948778843 is about 30802.2538623394. The cubic root of 948778843 is about 982.6261794534.

The spelling of 948778843 in words is "nine hundred forty-eight million, seven hundred seventy-eight thousand, eight hundred forty-three".