87317127828822 has 64 divisors (see below), whose sum is σ = 175133714595840. Its totient is φ = 29022599494944.

The previous prime is 87317127828809. The next prime is 87317127828841. The reversal of 87317127828822 is 22882872171378.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17328262579 + ... + 17328267617.

It is an arithmetic number, because the mean of its divisors is an integer number (2736464290560).

Almost surely, 2^{87317127828822} is an apocalyptic number.

87317127828822 is an abundant number, since it is smaller than the sum of its proper divisors (87816586767018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87317127828822 is a wasteful number, since it uses less digits than its factorization.

87317127828822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137.

The product of its digits is 67436544, while the sum is 66.

The spelling of 87317127828822 in words is "eighty-seven trillion, three hundred seventeen billion, one hundred twenty-seven million, eight hundred twenty-eight thousand, eight hundred twenty-two".