86237425561 has 16 divisors (see below), whose sum is σ = 100555064064. Its totient is φ = 72423134784.

The previous prime is 86237425523. The next prime is 86237425591. The reversal of 86237425561 is 16552473268.

It is not a de Polignac number, because 86237425561 - 2²⁷ = 86103207833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86237425591) 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 in 15 ways as a sum of consecutive naturals, for example, 109851 + ... + 429583.

It is an arithmetic number, because the mean of its divisors is an integer number (6284691504).

Almost surely, 2^86237425561 is an apocalyptic number.

It is an amenable number.

86237425561 is a deficient number, since it is larger than the sum of its proper divisors (14317638503).

86237425561 is a wasteful number, since it uses less digits than its factorization.

86237425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320520.

The product of its digits is 2419200, while the sum is 49.

The spelling of 86237425561 in words is "eighty-six billion, two hundred thirty-seven million, four hundred twenty-five thousand, five hundred sixty-one".