87538922 has 8 divisors (see below), whose sum is σ = 132608772. Its totient is φ = 43336000.

The previous prime is 87538889. The next prime is 87538931. The reversal of 87538922 is 22983578.

It can be written as a sum of positive squares in 2 ways, for example, as 59459521 + 28079401 = 7711^2 + 5299^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216479 + ... + 216882.

Almost surely, 2^87538922 is an apocalyptic number.

87538922 is a deficient number, since it is larger than the sum of its proper divisors (45069850).

87538922 is a wasteful number, since it uses less digits than its factorization.

87538922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433464.

The product of its digits is 241920, while the sum is 44.

The square root of 87538922 is about 9356.2237040379. The cubic root of 87538922 is about 444.0178177791.

The spelling of 87538922 in words is "eighty-seven million, five hundred thirty-eight thousand, nine hundred twenty-two".