86336444463391 has 2 divisors, whose sum is σ = 86336444463392. Its totient is φ = 86336444463390.

The previous prime is 86336444463341. The next prime is 86336444463419. The reversal of 86336444463391 is 19336444463368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86336444463391 - 2⁷ = 86336444463263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86336444463301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43168222231695 + 43168222231696.

It is an arithmetic number, because the mean of its divisors is an integer number (43168222231696).

Almost surely, 2^{86336444463391} is an apocalyptic number.

86336444463391 is a deficient number, since it is larger than the sum of its proper divisors (1).

86336444463391 is an equidigital number, since it uses as much as digits as its factorization.

86336444463391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322486272, while the sum is 64.

The spelling of 86336444463391 in words is "eighty-six trillion, three hundred thirty-six billion, four hundred forty-four million, four hundred sixty-three thousand, three hundred ninety-one".