87169608 has 160 divisors (see below), whose sum is σ = 266195160. Its totient is φ = 26542080.

The previous prime is 87169597. The next prime is 87169633. The reversal of 87169608 is 80696178.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54199044 + 32970564 = 7362^2 + 5742^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 451560 + ... + 451752.

Almost surely, 2^87169608 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 87169608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133097580).

87169608 is an abundant number, since it is smaller than the sum of its proper divisors (179025552).

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

87169608 is a wasteful number, since it uses less digits than its factorization.

87169608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 87169608 is about 9336.4665693184. The cubic root of 87169608 is about 443.3925220439.

The spelling of 87169608 in words is "eighty-seven million, one hundred sixty-nine thousand, six hundred eight".