87143830655 has 16 divisors (see below), whose sum is σ = 119692375104. Its totient is φ = 59665351680.

The previous prime is 87143830649. The next prime is 87143830667. The reversal of 87143830655 is 55603834178.

It is not a de Polignac number, because 87143830655 - 2⁴ = 87143830639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1860242 + ... + 1906511.

It is an arithmetic number, because the mean of its divisors is an integer number (7480773444).

Almost surely, 2^87143830655 is an apocalyptic number.

87143830655 is a deficient number, since it is larger than the sum of its proper divisors (32548544449).

87143830655 is a wasteful number, since it uses less digits than its factorization.

87143830655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767426.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 87143830655 in words is "eighty-seven billion, one hundred forty-three million, eight hundred thirty thousand, six hundred fifty-five".