87449152 has 112 divisors (see below), whose sum is σ = 210677760. Its totient is φ = 35223552.

The previous prime is 87449147. The next prime is 87449179. The reversal of 87449152 is 25194478.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688513 + ... + 688639.

Almost surely, 2^87449152 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 87449152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105338880).

87449152 is an abundant number, since it is smaller than the sum of its proper divisors (123228608).

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

87449152 is a wasteful number, since it uses less digits than its factorization.

87449152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 218 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 87449152 is about 9351.4251320320. The cubic root of 87449152 is about 443.8659877456.

The spelling of 87449152 in words is "eighty-seven million, four hundred forty-nine thousand, one hundred fifty-two".