86451122959 has 2 divisors, whose sum is σ = 86451122960. Its totient is φ = 86451122958.

The previous prime is 86451122929. The next prime is 86451122987. The reversal of 86451122959 is 95922115468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86451122959 - 2¹¹ = 86451120911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86451122929) 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 as a sum of consecutive naturals, namely, 43225561479 + 43225561480.

It is an arithmetic number, because the mean of its divisors is an integer number (43225561480).

Almost surely, 2^86451122959 is an apocalyptic number.

86451122959 is a deficient number, since it is larger than the sum of its proper divisors (1).

86451122959 is an equidigital number, since it uses as much as digits as its factorization.

86451122959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The spelling of 86451122959 in words is "eighty-six billion, four hundred fifty-one million, one hundred twenty-two thousand, nine hundred fifty-nine".