87325784 has 32 divisors (see below), whose sum is σ = 201522720. Its totient is φ = 34546176.

The previous prime is 87325781. The next prime is 87325789. The reversal of 87325784 is 48752378.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87325781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59249 + ... + 60704.

It is an arithmetic number, because the mean of its divisors is an integer number (6297585).

Almost surely, 2^87325784 is an apocalyptic number.

It is an amenable number.

87325784 is an abundant number, since it is smaller than the sum of its proper divisors (114196936).

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

87325784 is a wasteful number, since it uses less digits than its factorization.

87325784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119979 (or 119975 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 87325784 is about 9344.8265901514. The cubic root of 87325784 is about 443.6571630427.

The spelling of 87325784 in words is "eighty-seven million, three hundred twenty-five thousand, seven hundred eighty-four".