87104178 has 48 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 24463008.

The previous prime is 87104167. The next prime is 87104183. The reversal of 87104178 is 87140178.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1576 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (4570020).

Almost surely, 2^87104178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87104178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109680480).

87104178 is an abundant number, since it is smaller than the sum of its proper divisors (132256782).

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

87104178 is a wasteful number, since it uses less digits than its factorization.

87104178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791 (or 11788 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 87104178 is about 9332.9619092762. The cubic root of 87104178 is about 443.2815566319.

The spelling of 87104178 in words is "eighty-seven million, one hundred four thousand, one hundred seventy-eight".