86280138372473 has 2 divisors, whose sum is σ = 86280138372474. Its totient is φ = 86280138372472.

The previous prime is 86280138372413. The next prime is 86280138372499. The reversal of 86280138372473 is 37427383108268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55422024492409 + 30858113880064 = 7444597^2 + 5555008^2 .

It is a cyclic number.

It is not a de Polignac number, because 86280138372473 - 2¹² = 86280138368377 is a prime.

It is not a weakly prime, because it can be changed into another prime (86280138372413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43140069186236 + 43140069186237.

It is an arithmetic number, because the mean of its divisors is an integer number (43140069186237).

Almost surely, 2^{86280138372473} is an apocalyptic number.

It is an amenable number.

86280138372473 is a deficient number, since it is larger than the sum of its proper divisors (1).

86280138372473 is an equidigital number, since it uses as much as digits as its factorization.

86280138372473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 86280138372473 in words is "eighty-six trillion, two hundred eighty billion, one hundred thirty-eight million, three hundred seventy-two thousand, four hundred seventy-three".