86544674263447 has 2 divisors, whose sum is σ = 86544674263448. Its totient is φ = 86544674263446.

The previous prime is 86544674263409. The next prime is 86544674263517. The reversal of 86544674263447 is 74436247644568.

It is an a-pointer prime, because the next prime (86544674263517) can be obtained adding 86544674263447 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86544674263447 is a prime.

It is a super-2 number, since 2×86544674263447² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86544674266447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43272337131723 + 43272337131724.

It is an arithmetic number, because the mean of its divisors is an integer number (43272337131724).

Almost surely, 2^{86544674263447} is an apocalyptic number.

86544674263447 is a deficient number, since it is larger than the sum of its proper divisors (1).

86544674263447 is an equidigital number, since it uses as much as digits as its factorization.

86544674263447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2601123840, while the sum is 70.

The spelling of 86544674263447 in words is "eighty-six trillion, five hundred forty-four billion, six hundred seventy-four million, two hundred sixty-three thousand, four hundred forty-seven".