87718410180 has 36 divisors (see below), whose sum is σ = 266079178092. Its totient is φ = 23391576000.

The previous prime is 87718410163. The next prime is 87718410203. The reversal of 87718410180 is 8101481778.

It can be written as a sum of positive squares in 2 ways, for example, as 57980787264 + 29737622916 = 240792^2 + 172446^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 11 ways as a sum of consecutive naturals, for example, 243662071 + ... + 243662430.

Almost surely, 2^87718410180 is an apocalyptic number.

It is an amenable number.

87718410180 is an abundant number, since it is smaller than the sum of its proper divisors (178360767912).

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

87718410180 is a wasteful number, since it uses less digits than its factorization.

87718410180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487324516 (or 487324511 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 45.

It can be divided in two parts, 877184 and 10180, that added together give a square (887364 = 942²).

The spelling of 87718410180 in words is "eighty-seven billion, seven hundred eighteen million, four hundred ten thousand, one hundred eighty".