87102832 has 40 divisors (see below), whose sum is σ = 179787600. Its totient is φ = 40737792.

The previous prime is 87102809. The next prime is 87102853. The reversal of 87102832 is 23820178.

It is a junction number, because it is equal to n+sod(n) for n = 87102794 and 87102803.

It is a congruent number.

It is an unprimeable number.

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, 47794 + ... + 49582.

It is an arithmetic number, because the mean of its divisors is an integer number (4494690).

Almost surely, 2^87102832 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 87102832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89893800).

87102832 is an abundant number, since it is smaller than the sum of its proper divisors (92684768).

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

87102832 is a wasteful number, since it uses less digits than its factorization.

87102832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 87102832 is about 9332.8897989851. The cubic root of 87102832 is about 443.2792733122.

The spelling of 87102832 in words is "eighty-seven million, one hundred two thousand, eight hundred thirty-two".