886940424817 has 2 divisors, whose sum is σ = 886940424818. Its totient is φ = 886940424816.

The previous prime is 886940424787. The next prime is 886940424827. The reversal of 886940424817 is 718424049688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884359683216 + 2580741601 = 940404^2 + 50801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-886940424817 is a prime.

It is not a weakly prime, because it can be changed into another prime (886940424827) 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, 443470212408 + 443470212409.

It is an arithmetic number, because the mean of its divisors is an integer number (443470212409).

Almost surely, 2^886940424817 is an apocalyptic number.

It is an amenable number.

886940424817 is a deficient number, since it is larger than the sum of its proper divisors (1).

886940424817 is an equidigital number, since it uses as much as digits as its factorization.

886940424817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 886940424817 in words is "eight hundred eighty-six billion, nine hundred forty million, four hundred twenty-four thousand, eight hundred seventeen".