87966754189 has 2 divisors, whose sum is σ = 87966754190. Its totient is φ = 87966754188.

The previous prime is 87966754153. The next prime is 87966754193. The reversal of 87966754189 is 98145766978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71928558025 + 16038196164 = 268195^2 + 126642^2 .

It is a cyclic number.

It is not a de Polignac number, because 87966754189 - 2¹¹ = 87966752141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87906754189) 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, 43983377094 + 43983377095.

It is an arithmetic number, because the mean of its divisors is an integer number (43983377095).

Almost surely, 2^87966754189 is an apocalyptic number.

It is an amenable number.

87966754189 is a deficient number, since it is larger than the sum of its proper divisors (1).

87966754189 is an equidigital number, since it uses as much as digits as its factorization.

87966754189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 70.

The spelling of 87966754189 in words is "eighty-seven billion, nine hundred sixty-six million, seven hundred fifty-four thousand, one hundred eighty-nine".