86725941469 has 2 divisors, whose sum is σ = 86725941470. Its totient is φ = 86725941468.

The previous prime is 86725941413. The next prime is 86725941539. The reversal of 86725941469 is 96414952768.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86693735844 + 32205625 = 294438^2 + 5675^2 .

It is a cyclic number.

It is not a de Polignac number, because 86725941469 - 2³⁵ = 52366203101 is a prime.

It is a super-2 number, since 2×86725941469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86725944469) 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, 43362970734 + 43362970735.

It is an arithmetic number, because the mean of its divisors is an integer number (43362970735).

Almost surely, 2^86725941469 is an apocalyptic number.

It is an amenable number.

86725941469 is a deficient number, since it is larger than the sum of its proper divisors (1).

86725941469 is an equidigital number, since it uses as much as digits as its factorization.

86725941469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 61.

The spelling of 86725941469 in words is "eighty-six billion, seven hundred twenty-five million, nine hundred forty-one thousand, four hundred sixty-nine".