87987226 has 8 divisors (see below), whose sum is σ = 132020820. Its totient is φ = 43980288.

The previous prime is 87987217. The next prime is 87987227. The reversal of 87987226 is 62278978.

It can be written as a sum of positive squares in 2 ways, for example, as 85100625 + 2886601 = 9225^2 + 1699^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87987226.

It is not an unprimeable number, because it can be changed into a prime (87987227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8410 + ... + 15706.

Almost surely, 2^87987226 is an apocalyptic number.

87987226 is a deficient number, since it is larger than the sum of its proper divisors (44033594).

87987226 is a wasteful number, since it uses less digits than its factorization.

87987226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328.

The product of its digits is 677376, while the sum is 49.

The square root of 87987226 is about 9380.1506384493. The cubic root of 87987226 is about 444.7744950105.

The spelling of 87987226 in words is "eighty-seven million, nine hundred eighty-seven thousand, two hundred twenty-six".