87111846653 has 8 divisors (see below), whose sum is σ = 93922236408. Its totient is φ = 80317096704.

The previous prime is 87111846629. The next prime is 87111846659. The reversal of 87111846653 is 35664811178.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10774024804 + 76337821849 = 103798^2 + 276293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87111846653 - 2¹⁰ = 87111845629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87111846659) 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 in 7 ways as a sum of consecutive naturals, for example, 3898376 + ... + 3920657.

It is an arithmetic number, because the mean of its divisors is an integer number (11740279551).

Almost surely, 2^87111846653 is an apocalyptic number.

It is an amenable number.

87111846653 is a deficient number, since it is larger than the sum of its proper divisors (6810389755).

87111846653 is a wasteful number, since it uses less digits than its factorization.

87111846653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819903.

The product of its digits is 967680, while the sum is 50.

The spelling of 87111846653 in words is "eighty-seven billion, one hundred eleven million, eight hundred forty-six thousand, six hundred fifty-three".