87018750666 has 48 divisors (see below), whose sum is σ = 196796920320. Its totient is φ = 27736806240.

The previous prime is 87018750659. The next prime is 87018750703. The reversal of 87018750666 is 66605781078.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1436295 + ... + 1495653.

It is an arithmetic number, because the mean of its divisors is an integer number (4099935840).

Almost surely, 2^87018750666 is an apocalyptic number.

87018750666 is an abundant number, since it is smaller than the sum of its proper divisors (109778169654).

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

87018750666 is a wasteful number, since it uses less digits than its factorization.

87018750666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62931 (or 62928 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 87018750666 in words is "eighty-seven billion, eighteen million, seven hundred fifty thousand, six hundred sixty-six".