87584982 has 16 divisors (see below), whose sum is σ = 180820992. Its totient is φ = 28253160.

The previous prime is 87584977. The next prime is 87585011. The reversal of 87584982 is 28948578.

It is a happy number.

It is a super-2 number, since 2×87584982² = 15342258143880648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 235258 + ... + 235629.

It is an arithmetic number, because the mean of its divisors is an integer number (11301312).

Almost surely, 2^87584982 is an apocalyptic number.

87584982 is an abundant number, since it is smaller than the sum of its proper divisors (93236010).

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

87584982 is a wasteful number, since it uses less digits than its factorization.

87584982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470923.

The product of its digits is 1290240, while the sum is 51.

The square root of 87584982 is about 9358.6848435023. The cubic root of 87584982 is about 444.0956798102.

The spelling of 87584982 in words is "eighty-seven million, five hundred eighty-four thousand, nine hundred eighty-two".