4857438215827 has 2 divisors, whose sum is σ = 4857438215828. Its totient is φ = 4857438215826.

The previous prime is 4857438215779. The next prime is 4857438215843. The reversal of 4857438215827 is 7285128347584.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4857438215827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4857438215867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428719107913 + 2428719107914.

It is an arithmetic number, because the mean of its divisors is an integer number (2428719107914).

Almost surely, 2^{4857438215827} is an apocalyptic number.

4857438215827 is a deficient number, since it is larger than the sum of its proper divisors (1).

4857438215827 is an equidigital number, since it uses as much as digits as its factorization.

4857438215827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120422400, while the sum is 64.

The spelling of 4857438215827 in words is "four trillion, eight hundred fifty-seven billion, four hundred thirty-eight million, two hundred fifteen thousand, eight hundred twenty-seven".