87097284 has 36 divisors (see below), whose sum is σ = 225536220. Its totient is φ = 28323840.

The previous prime is 87097279. The next prime is 87097289. The reversal of 87097284 is 48279078.

It is an interprime number because it is at equal distance from previous prime (87097279) and next prime (87097289).

It can be written as a sum of positive squares in 2 ways, for example, as 17040384 + 70056900 = 4128^2 + 8370^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (87097289) 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, 28029 + ... + 30980.

It is an arithmetic number, because the mean of its divisors is an integer number (6264895).

Almost surely, 2^87097284 is an apocalyptic number.

It is an amenable number.

87097284 is an abundant number, since it is smaller than the sum of its proper divisors (138438936).

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

87097284 is a wasteful number, since it uses less digits than its factorization.

87097284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59060 (or 59055 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 87097284 is about 9332.5925658415. The cubic root of 87097284 is about 443.2698615799.

The spelling of 87097284 in words is "eighty-seven million, ninety-seven thousand, two hundred eighty-four".