87784328 has 48 divisors (see below), whose sum is σ = 179116080. Its totient is φ = 40303872.

The previous prime is 87784327. The next prime is 87784331. The reversal of 87784328 is 82348778.

It is a happy number.

It is a super-3 number, since 3×87784328³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (87784327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98975 + ... + 99857.

It is an arithmetic number, because the mean of its divisors is an integer number (3731585).

Almost surely, 2^87784328 is an apocalyptic number.

It is an amenable number.

87784328 is an abundant number, since it is smaller than the sum of its proper divisors (91331752).

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

87784328 is a wasteful number, since it uses less digits than its factorization.

87784328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 945 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The square root of 87784328 is about 9369.3291115213. The cubic root of 87784328 is about 444.4323494672.

The spelling of 87784328 in words is "eighty-seven million, seven hundred eighty-four thousand, three hundred twenty-eight".