87516402328 has 8 divisors (see below), whose sum is σ = 164093254380. Its totient is φ = 43758201160.

The previous prime is 87516402313. The next prime is 87516402331. The reversal of 87516402328 is 82320461578.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469775138 + ... + 5469775153.

Almost surely, 2^87516402328 is an apocalyptic number.

It is an amenable number.

87516402328 is a deficient number, since it is larger than the sum of its proper divisors (76576852052).

87516402328 is a wasteful number, since it uses less digits than its factorization.

87516402328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939550297 (or 10939550293 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 87516402328 in words is "eighty-seven billion, five hundred sixteen million, four hundred two thousand, three hundred twenty-eight".