86784282 has 24 divisors (see below), whose sum is σ = 202497204. Its totient is φ = 26702784.

The previous prime is 86784281. The next prime is 86784287. The reversal of 86784282 is 28248768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77105961 + 9678321 = 8781^2 + 3111^2 .

It is not an unprimeable number, because it can be changed into a prime (86784281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185203 + ... + 185670.

Almost surely, 2^86784282 is an apocalyptic number.

86784282 is an abundant number, since it is smaller than the sum of its proper divisors (115712922).

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

86784282 is a wasteful number, since it uses less digits than its factorization.

86784282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370894 (or 370891 counting only the distinct ones).

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

The square root of 86784282 is about 9315.8081775013. The cubic root of 86784282 is about 442.7382304291.

The spelling of 86784282 in words is "eighty-six million, seven hundred eighty-four thousand, two hundred eighty-two".