87439227 has 8 divisors (see below), whose sum is σ = 117196800. Its totient is φ = 57987240.

The previous prime is 87439199. The next prime is 87439237. The reversal of 87439227 is 72293478.

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

It is not a de Polignac number, because 87439227 - 2⁸ = 87438971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87439237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75727 + ... + 76872.

It is an arithmetic number, because the mean of its divisors is an integer number (14649600).

Almost surely, 2^87439227 is an apocalyptic number.

87439227 is a deficient number, since it is larger than the sum of its proper divisors (29757573).

87439227 is a wasteful number, since it uses less digits than its factorization.

87439227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152793.

The product of its digits is 169344, while the sum is 42.

The square root of 87439227 is about 9350.8944491958. The cubic root of 87439227 is about 443.8491949904.

The spelling of 87439227 in words is "eighty-seven million, four hundred thirty-nine thousand, two hundred twenty-seven".