86181730417357 has 2 divisors, whose sum is σ = 86181730417358. Its totient is φ = 86181730417356.

The previous prime is 86181730417271. The next prime is 86181730417513. The reversal of 86181730417357 is 75371403718168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54532228544836 + 31649501872521 = 7384594^2 + 5625789^2 .

It is a cyclic number.

It is not a de Polignac number, because 86181730417357 - 2⁴³ = 77385637395149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86181730417295 and 86181730417304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86181730414357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43090865208678 + 43090865208679.

It is an arithmetic number, because the mean of its divisors is an integer number (43090865208679).

Almost surely, 2^{86181730417357} is an apocalyptic number.

It is an amenable number.

86181730417357 is a deficient number, since it is larger than the sum of its proper divisors (1).

86181730417357 is an equidigital number, since it uses as much as digits as its factorization.

86181730417357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 86181730417357 in words is "eighty-six trillion, one hundred eighty-one billion, seven hundred thirty million, four hundred seventeen thousand, three hundred fifty-seven".