87086173504 has 224 divisors, whose sum is σ = 203356707840. Its totient is φ = 36584755200.

The previous prime is 87086173483. The next prime is 87086173511. The reversal of 87086173504 is 40537168078.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101617044 + ... + 101617900.

Almost surely, 2^87086173504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87086173504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101678353920).

87086173504 is an abundant number, since it is smaller than the sum of its proper divisors (116270534336).

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

87086173504 is a wasteful number, since it uses less digits than its factorization.

87086173504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 87086173504 in words is "eighty-seven billion, eighty-six million, one hundred seventy-three thousand, five hundred four".