85800202 has 4 divisors (see below), whose sum is σ = 128700306. Its totient is φ = 42900100.

The previous prime is 85800199. The next prime is 85800203. The reversal of 85800202 is 20200858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20200858 = 2 ⋅10100429.

It can be written as a sum of positive squares in only one way, i.e., 65270241 + 20529961 = 8079^2 + 4531^2 .

It is not an unprimeable number, because it can be changed into a prime (85800203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21450049 + ... + 21450052.

Almost surely, 2^85800202 is an apocalyptic number.

85800202 is a deficient number, since it is larger than the sum of its proper divisors (42900104).

85800202 is a wasteful number, since it uses less digits than its factorization.

85800202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900103.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 85800202 is about 9262.8398453174. The cubic root of 85800202 is about 441.0584058541.

The spelling of 85800202 in words is "eighty-five million, eight hundred thousand, two hundred two".