4866777384247 has 4 divisors (see below), whose sum is σ = 4866782237856. Its totient is φ = 4866772530640.

The previous prime is 4866777384197. The next prime is 4866777384361. The reversal of 4866777384247 is 7424837776684.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4866777384247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4866777384247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4866777385247) 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 in 3 ways as a sum of consecutive naturals, for example, 303454 + ... + 3134587.

It is an arithmetic number, because the mean of its divisors is an integer number (1216695559464).

Almost surely, 2^{4866777384247} is an apocalyptic number.

4866777384247 is a deficient number, since it is larger than the sum of its proper divisors (4853609).

4866777384247 is a wasteful number, since it uses less digits than its factorization.

4866777384247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853608.

The product of its digits is 2124251136, while the sum is 73.

The spelling of 4866777384247 in words is "four trillion, eight hundred sixty-six billion, seven hundred seventy-seven million, three hundred eighty-four thousand, two hundred forty-seven".