87132516 has 24 divisors (see below), whose sum is σ = 203525280. Its totient is φ = 29013312.

The previous prime is 87132511. The next prime is 87132527. The reversal of 87132516 is 61523178.

It is not an unprimeable number, because it can be changed into a prime (87132511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9855 + ... + 16473.

It is an arithmetic number, because the mean of its divisors is an integer number (8480220).

Almost surely, 2^87132516 is an apocalyptic number.

It is an amenable number.

87132516 is an abundant number, since it is smaller than the sum of its proper divisors (116392764).

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

87132516 is a wasteful number, since it uses less digits than its factorization.

87132516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723 (or 7721 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 87132516 is about 9334.4799533772. The cubic root of 87132516 is about 443.3296230241.

The spelling of 87132516 in words is "eighty-seven million, one hundred thirty-two thousand, five hundred sixteen".