87323436 has 36 divisors (see below), whose sum is σ = 224903952. Its totient is φ = 28557984.

The previous prime is 87323417. The next prime is 87323443. The reversal of 87323436 is 63432378.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 87323436.

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 11 ways as a sum of consecutive naturals, for example, 20976 + ... + 24791.

It is an arithmetic number, because the mean of its divisors is an integer number (6247332).

Almost surely, 2^87323436 is an apocalyptic number.

It is an amenable number.

87323436 is an abundant number, since it is smaller than the sum of its proper divisors (137580516).

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

87323436 is a wasteful number, since it uses less digits than its factorization.

87323436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45830 (or 45825 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 87323436 is about 9344.7009582972. The cubic root of 87323436 is about 443.6531866824.

The spelling of 87323436 in words is "eighty-seven million, three hundred twenty-three thousand, four hundred thirty-six".