87051132 has 96 divisors (see below), whose sum is σ = 260467200. Its totient is φ = 24627456.

The previous prime is 87051119. The next prime is 87051143. The reversal of 87051132 is 23115078.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 87051096 and 87051105.

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 31 ways as a sum of consecutive naturals, for example, 84919 + ... + 85937.

It is an arithmetic number, because the mean of its divisors is an integer number (2713200).

Almost surely, 2^87051132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87051132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130233600).

87051132 is an abundant number, since it is smaller than the sum of its proper divisors (173416068).

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

87051132 is a wasteful number, since it uses less digits than its factorization.

87051132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 87051132 is about 9330.1196133812. The cubic root of 87051132 is about 443.1915529567.

The spelling of 87051132 in words is "eighty-seven million, fifty-one thousand, one hundred thirty-two".