86451122459 has 16 divisors (see below), whose sum is σ = 93274440000. Its totient is φ = 79652716416.

The previous prime is 86451122437. The next prime is 86451122473. The reversal of 86451122459 is 95422115468.

It is not a de Polignac number, because 86451122459 - 2⁸ = 86451122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86451122959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19876217 + ... + 19880565.

It is an arithmetic number, because the mean of its divisors is an integer number (5829652500).

Almost surely, 2^86451122459 is an apocalyptic number.

86451122459 is a deficient number, since it is larger than the sum of its proper divisors (6823317541).

86451122459 is a wasteful number, since it uses less digits than its factorization.

86451122459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854.

The product of its digits is 691200, while the sum is 47.

The spelling of 86451122459 in words is "eighty-six billion, four hundred fifty-one million, one hundred twenty-two thousand, four hundred fifty-nine".