87324311 has 4 divisors (see below), whose sum is σ = 88012032. Its totient is φ = 86636592.

The previous prime is 87324287. The next prime is 87324317. The reversal of 87324311 is 11342378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87324311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87324317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343670 + ... + 343923.

It is an arithmetic number, because the mean of its divisors is an integer number (22003008).

Almost surely, 2^87324311 is an apocalyptic number.

87324311 is a deficient number, since it is larger than the sum of its proper divisors (687721).

87324311 is a wasteful number, since it uses less digits than its factorization.

87324311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687720.

The product of its digits is 4032, while the sum is 29.

The square root of 87324311 is about 9344.7477761575. The cubic root of 87324311 is about 443.6546685115.

Adding to 87324311 its reverse (11342378), we get a palindrome (98666689).

The spelling of 87324311 in words is "eighty-seven million, three hundred twenty-four thousand, three hundred eleven".