87228415 has 8 divisors (see below), whose sum is σ = 105341760. Its totient is φ = 69337632.

The previous prime is 87228413. The next prime is 87228419. The reversal of 87228415 is 51482278.

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

It is a cyclic number.

It is not a de Polignac number, because 87228415 - 2¹ = 87228413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87228413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54775 + ... + 56344.

It is an arithmetic number, because the mean of its divisors is an integer number (13167720).

Almost surely, 2^87228415 is an apocalyptic number.

87228415 is a deficient number, since it is larger than the sum of its proper divisors (18113345).

87228415 is a wasteful number, since it uses less digits than its factorization.

87228415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111281.

The product of its digits is 35840, while the sum is 37.

The square root of 87228415 is about 9339.6153561054. The cubic root of 87228415 is about 443.4922078682.

The spelling of 87228415 in words is "eighty-seven million, two hundred twenty-eight thousand, four hundred fifteen".