87027430066 has 4 divisors (see below), whose sum is σ = 130541145102. Its totient is φ = 43513715032.

The previous prime is 87027430057. The next prime is 87027430069. The reversal of 87027430066 is 66003472078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67065978841 + 19961451225 = 258971^2 + 141285^2 .

It is a super-3 number, since 3×87027430066³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (87027430069) 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, 21756857515 + ... + 21756857518.

Almost surely, 2^87027430066 is an apocalyptic number.

87027430066 is a deficient number, since it is larger than the sum of its proper divisors (43513715036).

87027430066 is a wasteful number, since it uses less digits than its factorization.

87027430066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43513715035.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 87027430066 in words is "eighty-seven billion, twenty-seven million, four hundred thirty thousand, sixty-six".