87566311134 has 24 divisors (see below), whose sum is σ = 195847234752. Its totient is φ = 28247196960.

The previous prime is 87566311111. The next prime is 87566311153. The reversal of 87566311134 is 43111366578.

87566311134 is a `hidden beast` number, since 8 + 7 + 5 + 6 + 631 + 1 + 1 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 87566311134.

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 11 ways as a sum of consecutive naturals, for example, 78463879 + ... + 78464994.

It is an arithmetic number, because the mean of its divisors is an integer number (8160301448).

Almost surely, 2^87566311134 is an apocalyptic number.

87566311134 is an abundant number, since it is smaller than the sum of its proper divisors (108280923618).

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

87566311134 is a wasteful number, since it uses less digits than its factorization.

87566311134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156928912 (or 156928909 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 87566311134 in words is "eighty-seven billion, five hundred sixty-six million, three hundred eleven thousand, one hundred thirty-four".