87032210 has 16 divisors (see below), whose sum is σ = 158419800. Its totient is φ = 34421376.

The previous prime is 87032191. The next prime is 87032213. The reversal of 87032210 is 1223078.

It can be written as a sum of positive squares in 4 ways, for example, as 57623281 + 29408929 = 7591^2 + 5423^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87032213) 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, 48005 + ... + 49784.

Almost surely, 2^87032210 is an apocalyptic number.

87032210 is a deficient number, since it is larger than the sum of its proper divisors (71387590).

87032210 is a wasteful number, since it uses less digits than its factorization.

87032210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97885.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 87032210 is about 9329.1055305426. The cubic root of 87032210 is about 443.1594389640.

Adding to 87032210 its reverse (1223078), we get a palindrome (88255288).

The spelling of 87032210 in words is "eighty-seven million, thirty-two thousand, two hundred ten".