87284133 has 6 divisors (see below), whose sum is σ = 126077094. Its totient is φ = 58189416.

The previous prime is 87284111. The next prime is 87284201. The reversal of 87284133 is 33148278.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 15000129 = 8502^2 + 3873^2 .

It is not a de Polignac number, because 87284133 - 2⁵ = 87284101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87284833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4849110 + ... + 4849127.

It is an arithmetic number, because the mean of its divisors is an integer number (21012849).

Almost surely, 2^87284133 is an apocalyptic number.

It is an amenable number.

87284133 is a deficient number, since it is larger than the sum of its proper divisors (38792961).

87284133 is a wasteful number, since it uses less digits than its factorization.

87284133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698243 (or 9698240 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 87284133 is about 9342.5977650758. The cubic root of 87284133 is about 443.5866160927.

The spelling of 87284133 in words is "eighty-seven million, two hundred eighty-four thousand, one hundred thirty-three".