87422886 has 12 divisors (see below), whose sum is σ = 189416292. Its totient is φ = 29140956.

The previous prime is 87422879. The next prime is 87422903. The reversal of 87422886 is 68822478.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2428396 + ... + 2428431.

It is an arithmetic number, because the mean of its divisors is an integer number (15784691).

Almost surely, 2^87422886 is an apocalyptic number.

87422886 is an abundant number, since it is smaller than the sum of its proper divisors (101993406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87422886 is a wasteful number, since it uses less digits than its factorization.

87422886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856835 (or 4856832 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 87422886 is about 9350.0206416884. The cubic root of 87422886 is about 443.8215438175.

It can be divided in two parts, 8742 and 2886, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 87422886 in words is "eighty-seven million, four hundred twenty-two thousand, eight hundred eighty-six".