86324346802465 has 4 divisors (see below), whose sum is σ = 103589216162964. Its totient is φ = 69059477441968.

The previous prime is 86324346802457. The next prime is 86324346802481. The reversal of 86324346802465 is 56420864342368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12890347437969 + 73433999364496 = 3590313^2 + 8569364^2 .

It is a cyclic number.

It is not a de Polignac number, because 86324346802465 - 2³ = 86324346802457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8632434680242 + ... + 8632434680251.

It is an arithmetic number, because the mean of its divisors is an integer number (25897304040741).

Almost surely, 2^{86324346802465} is an apocalyptic number.

It is an amenable number.

86324346802465 is a deficient number, since it is larger than the sum of its proper divisors (17264869360499).

86324346802465 is a wasteful number, since it uses less digits than its factorization.

86324346802465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17264869360498.

The product of its (nonzero) digits is 159252480, while the sum is 61.

The spelling of 86324346802465 in words is "eighty-six trillion, three hundred twenty-four billion, three hundred forty-six million, eight hundred two thousand, four hundred sixty-five".