87516018874 has 8 divisors (see below), whose sum is σ = 133426061748. Its totient is φ = 43040664960.

The previous prime is 87516018851. The next prime is 87516018893. The reversal of 87516018874 is 47881061578.

It can be written as a sum of positive squares in 2 ways, for example, as 79049258649 + 8466760225 = 281157^2 + 92015^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 358672087 + ... + 358672330.

Almost surely, 2^87516018874 is an apocalyptic number.

87516018874 is a deficient number, since it is larger than the sum of its proper divisors (45910042874).

87516018874 is a wasteful number, since it uses less digits than its factorization.

87516018874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717344480.

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 87516018874 in words is "eighty-seven billion, five hundred sixteen million, eighteen thousand, eight hundred seventy-four".