86461016479 has 2 divisors, whose sum is σ = 86461016480. Its totient is φ = 86461016478.

The previous prime is 86461016437. The next prime is 86461016497. The reversal of 86461016479 is 97461016468.

Together with next prime (86461016497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86461016479 - 2⁷ = 86461016351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86461076479) by changing a digit.

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 as a sum of consecutive naturals, namely, 43230508239 + 43230508240.

It is an arithmetic number, because the mean of its divisors is an integer number (43230508240).

Almost surely, 2^86461016479 is an apocalyptic number.

86461016479 is a deficient number, since it is larger than the sum of its proper divisors (1).

86461016479 is an equidigital number, since it uses as much as digits as its factorization.

86461016479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 86461016479 in words is "eighty-six billion, four hundred sixty-one million, sixteen thousand, four hundred seventy-nine".