87418221627179 has 2 divisors, whose sum is σ = 87418221627180. Its totient is φ = 87418221627178.

The previous prime is 87418221627131. The next prime is 87418221627197. The reversal of 87418221627179 is 97172612281478.

Together with next prime (87418221627197) 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 a de Polignac number, because none of the positive numbers 2^k-87418221627179 is a prime.

It is not a weakly prime, because it can be changed into another prime (87418221626179) 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, 43709110813589 + 43709110813590.

It is an arithmetic number, because the mean of its divisors is an integer number (43709110813590).

Almost surely, 2^{87418221627179} is an apocalyptic number.

87418221627179 is a deficient number, since it is larger than the sum of its proper divisors (1).

87418221627179 is an equidigital number, since it uses as much as digits as its factorization.

87418221627179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 65.

The spelling of 87418221627179 in words is "eighty-seven trillion, four hundred eighteen billion, two hundred twenty-one million, six hundred twenty-seven thousand, one hundred seventy-nine".