87104448 has 84 divisors (see below), whose sum is σ = 252404880. Its totient is φ = 28717056.

The previous prime is 87104441. The next prime is 87104477. The reversal of 87104448 is 84440178.

It is a happy number.

It is a super-2 number, since 2×87104448² = 15174369722769408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87104441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55093 + ... + 56651.

It is an arithmetic number, because the mean of its divisors is an integer number (3004820).

Almost surely, 2^87104448 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 87104448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126202440).

87104448 is an abundant number, since it is smaller than the sum of its proper divisors (165300432).

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

87104448 is a wasteful number, since it uses less digits than its factorization.

87104448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 87104448 is about 9332.9763741263. The cubic root of 87104448 is about 443.2820146501.

The spelling of 87104448 in words is "eighty-seven million, one hundred four thousand, four hundred forty-eight".