74848684847 has 2 divisors, whose sum is σ = 74848684848. Its totient is φ = 74848684846.

The previous prime is 74848684819. The next prime is 74848684871.

74848684847 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 74848684847 - 2⁸ = 74848684591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74848681847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37424342423 + 37424342424.

It is an arithmetic number, because the mean of its divisors is an integer number (37424342424).

Almost surely, 2^74848684847 is an apocalyptic number.

74848684847 is a deficient number, since it is larger than the sum of its proper divisors (1).

74848684847 is an equidigital number, since it uses as much as digits as its factorization.

74848684847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308281344, while the sum is 68.

The spelling of 74848684847 in words is "seventy-four billion, eight hundred forty-eight million, six hundred eighty-four thousand, eight hundred forty-seven".