87624329 has 8 divisors (see below), whose sum is σ = 94719240. Its totient is φ = 80580096.

The previous prime is 87624311. The next prime is 87624343. The reversal of 87624329 is 92342678.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3810304 + 83814025 = 1952^2 + 9155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87624329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87624359) 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, 9032 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (11839905).

Almost surely, 2^87624329 is an apocalyptic number.

It is an amenable number.

87624329 is a deficient number, since it is larger than the sum of its proper divisors (7094911).

87624329 is a wasteful number, since it uses less digits than its factorization.

87624329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25339.

The product of its digits is 145152, while the sum is 41.

The square root of 87624329 is about 9360.7867724887. The cubic root of 87624329 is about 444.1621722472.

The spelling of 87624329 in words is "eighty-seven million, six hundred twenty-four thousand, three hundred twenty-nine".