87313202 has 4 divisors (see below), whose sum is σ = 130969806. Its totient is φ = 43656600.

The previous prime is 87313201. The next prime is 87313211. The reversal of 87313202 is 20231378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 3389281 = 9161^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (87313201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21828299 + ... + 21828302.

Almost surely, 2^87313202 is an apocalyptic number.

87313202 is a deficient number, since it is larger than the sum of its proper divisors (43656604).

87313202 is a wasteful number, since it uses less digits than its factorization.

87313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43656603.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 87313202 is about 9344.1533591867. The cubic root of 87313202 is about 443.6358544735.

The spelling of 87313202 in words is "eighty-seven million, three hundred thirteen thousand, two hundred two".