87158085178 has 8 divisors (see below), whose sum is σ = 130744913940. Its totient is φ = 43576447200.

The previous prime is 87158085167. The next prime is 87158085187.

87158085178 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 86932394649 + 225690529 = 294843^2 + 15023^2 .

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, 1255443 + ... + 1323046.

Almost surely, 2^87158085178 is an apocalyptic number.

87158085178 is a deficient number, since it is larger than the sum of its proper divisors (43586828762).

87158085178 is a wasteful number, since it uses less digits than its factorization.

87158085178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595392.

The product of its (nonzero) digits is 5017600, while the sum is 58.

The spelling of 87158085178 in words is "eighty-seven billion, one hundred fifty-eight million, eighty-five thousand, one hundred seventy-eight".