87408582 has 8 divisors (see below), whose sum is σ = 174817176. Its totient is φ = 29136192.

The previous prime is 87408557. The next prime is 87408583. The reversal of 87408582 is 28580478.

It is a sphenic number, since it is the product of 3 distinct primes.

87408582 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87408583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7284043 + ... + 7284054.

It is an arithmetic number, because the mean of its divisors is an integer number (21852147).

Almost surely, 2^87408582 is an apocalyptic number.

87408582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87408582 is a wasteful number, since it uses less digits than its factorization.

87408582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14568102.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 87408582 is about 9349.2556922998. The cubic root of 87408582 is about 443.7973366946.

It can be divided in two parts, 87408 and 582, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 87408582 in words is "eighty-seven million, four hundred eight thousand, five hundred eighty-two".