86253317536573 has 12 divisors (see below), whose sum is σ = 95075941710204. Its totient is φ = 78189976198400.

The previous prime is 86253317536553. The next prime is 86253317536577. The reversal of 86253317536573 is 37563571335268.

It can be written as a sum of positive squares in 2 ways, for example, as 62292077156089 + 23961240380484 = 7892533^2 + 4895022^2 .

It is not a de Polignac number, because 86253317536573 - 2⁴¹ = 84054294281021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253317536577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009641898 + ... + 1009727323.

It is an arithmetic number, because the mean of its divisors is an integer number (7922995142517).

Almost surely, 2^{86253317536573} is an apocalyptic number.

It is an amenable number.

86253317536573 is a deficient number, since it is larger than the sum of its proper divisors (8822624173631).

86253317536573 is a wasteful number, since it uses less digits than its factorization.

86253317536573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019369596 (or 2019369585 counting only the distinct ones).

The product of its digits is 285768000, while the sum is 64.

The spelling of 86253317536573 in words is "eighty-six trillion, two hundred fifty-three billion, three hundred seventeen million, five hundred thirty-six thousand, five hundred seventy-three".