87158587158 has 12 divisors (see below), whose sum is σ = 188843605548. Its totient is φ = 29052862380.

The previous prime is 87158587129. The next prime is 87158587169. The reversal of 87158587158 is 85178585178.

It is a junction number, because it is equal to n+sod(n) for n = 87158587095 and 87158587104.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2421071848 + ... + 2421071883.

It is an arithmetic number, because the mean of its divisors is an integer number (15736967129).

Almost surely, 2^87158587158 is an apocalyptic number.

87158587158 is an abundant number, since it is smaller than the sum of its proper divisors (101685018390).

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

87158587158 is a wasteful number, since it uses less digits than its factorization.

87158587158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842143739 (or 4842143736 counting only the distinct ones).

The product of its digits is 25088000, while the sum is 63.

The spelling of 87158587158 in words is "eighty-seven billion, one hundred fifty-eight million, five hundred eighty-seven thousand, one hundred fifty-eight".