4374778444847 has 2 divisors, whose sum is σ = 4374778444848. Its totient is φ = 4374778444846.

The previous prime is 4374778444801. The next prime is 4374778444853. The reversal of 4374778444847 is 7484448774734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4374778444847 - 2¹⁰ = 4374778443823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4374778444877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2187389222423 + 2187389222424.

It is an arithmetic number, because the mean of its divisors is an integer number (2187389222424).

Almost surely, 2^{4374778444847} is an apocalyptic number.

4374778444847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4374778444847 is an equidigital number, since it uses as much as digits as its factorization.

4374778444847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1888223232, while the sum is 71.

The spelling of 4374778444847 in words is "four trillion, three hundred seventy-four billion, seven hundred seventy-eight million, four hundred forty-four thousand, eight hundred forty-seven".