86551234448719 has 2 divisors, whose sum is σ = 86551234448720. Its totient is φ = 86551234448718.

The previous prime is 86551234448699. The next prime is 86551234448849. The reversal of 86551234448719 is 91784443215568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86551234448719 - 2⁵ = 86551234448687 is a prime.

It is a super-2 number, since 2×86551234448719² (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 (86551834448719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43275617224359 + 43275617224360.

It is an arithmetic number, because the mean of its divisors is an integer number (43275617224360).

Almost surely, 2^{86551234448719} is an apocalyptic number.

86551234448719 is a deficient number, since it is larger than the sum of its proper divisors (1).

86551234448719 is an equidigital number, since it uses as much as digits as its factorization.

86551234448719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 232243200, while the sum is 67.

The spelling of 86551234448719 in words is "eighty-six trillion, five hundred fifty-one billion, two hundred thirty-four million, four hundred forty-eight thousand, seven hundred nineteen".