87281284543727 has 4 divisors (see below), whose sum is σ = 88096997483496. Its totient is φ = 86465571603960.

The previous prime is 87281284543697. The next prime is 87281284543741. The reversal of 87281284543727 is 72734548218278.

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

It is a cyclic number.

It is not a de Polignac number, because 87281284543727 - 2⁴⁴ = 69689098499311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87281284543757) 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 in 3 ways as a sum of consecutive naturals, for example, 407856469724 + ... + 407856469937.

It is an arithmetic number, because the mean of its divisors is an integer number (22024249370874).

Almost surely, 2^{87281284543727} is an apocalyptic number.

87281284543727 is a deficient number, since it is larger than the sum of its proper divisors (815712939769).

87281284543727 is a wasteful number, since it uses less digits than its factorization.

87281284543727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815712939768.

The product of its digits is 337182720, while the sum is 68.

The spelling of 87281284543727 in words is "eighty-seven trillion, two hundred eighty-one billion, two hundred eighty-four million, five hundred forty-three thousand, seven hundred twenty-seven".