87284416 has 28 divisors (see below), whose sum is σ = 173954440. Its totient is φ = 43453440.

The previous prime is 87284413. The next prime is 87284419. The reversal of 87284416 is 61448278.

It is an interprime number because it is at equal distance from previous prime (87284413) and next prime (87284419).

It is a super-2 number, since 2×87284416² = 15237138552922112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87284411) 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, 12595 + ... + 18253.

Almost surely, 2^87284416 is an apocalyptic number.

It is an amenable number.

87284416 is a deficient number, since it is larger than the sum of its proper divisors (86670024).

87284416 is a wasteful number, since it uses less digits than its factorization.

87284416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912 (or 5902 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 87284416 is about 9342.6129107440. The cubic root of 87284416 is about 443.5870955035.

The spelling of 87284416 in words is "eighty-seven million, two hundred eighty-four thousand, four hundred sixteen".