86444263097 has 2 divisors, whose sum is σ = 86444263098. Its totient is φ = 86444263096.

The previous prime is 86444263091. The next prime is 86444263117. The reversal of 86444263097 is 79036244468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52525305856 + 33918957241 = 229184^2 + 184171^2 .

It is a cyclic number.

It is not a de Polignac number, because 86444263097 - 2¹⁸ = 86444000953 is a prime.

It is a super-2 number, since 2×86444263097² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86444263091) 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, 43222131548 + 43222131549.

It is an arithmetic number, because the mean of its divisors is an integer number (43222131549).

Almost surely, 2^86444263097 is an apocalyptic number.

It is an amenable number.

86444263097 is a deficient number, since it is larger than the sum of its proper divisors (1).

86444263097 is an equidigital number, since it uses as much as digits as its factorization.

86444263097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 86444263097 in words is "eighty-six billion, four hundred forty-four million, two hundred sixty-three thousand, ninety-seven".