88421708917 has 2 divisors, whose sum is σ = 88421708918. Its totient is φ = 88421708916.

The previous prime is 88421708911. The next prime is 88421708923. The reversal of 88421708917 is 71980712488.

It is a balanced prime because it is at equal distance from previous prime (88421708911) and next prime (88421708923).

It can be written as a sum of positive squares in only one way, i.e., 46757142756 + 41664566161 = 216234^2 + 204119^2 .

It is a cyclic number.

It is not a de Polignac number, because 88421708917 - 2³ = 88421708909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88421708911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44210854458 + 44210854459.

It is an arithmetic number, because the mean of its divisors is an integer number (44210854459).

Almost surely, 2^88421708917 is an apocalyptic number.

It is an amenable number.

88421708917 is a deficient number, since it is larger than the sum of its proper divisors (1).

88421708917 is an equidigital number, since it uses as much as digits as its factorization.

88421708917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 55.

The spelling of 88421708917 in words is "eighty-eight billion, four hundred twenty-one million, seven hundred eight thousand, nine hundred seventeen".