855202193 has 4 divisors (see below), whose sum is σ = 862770468. Its totient is φ = 847633920.

The previous prime is 855202151. The next prime is 855202211. The reversal of 855202193 is 391202558.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 788093329 = 8192^2 + 28073^2 .

It is a cyclic number.

It is not a de Polignac number, because 855202193 - 2¹⁸ = 854940049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855232193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3783968 + ... + 3784193.

It is an arithmetic number, because the mean of its divisors is an integer number (215692617).

Almost surely, 2^855202193 is an apocalyptic number.

It is an amenable number.

855202193 is a deficient number, since it is larger than the sum of its proper divisors (7568275).

855202193 is a wasteful number, since it uses less digits than its factorization.

855202193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568274.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 855202193 is about 29243.8402573944. The cubic root of 855202193 is about 949.1968069913.

The spelling of 855202193 in words is "eight hundred fifty-five million, two hundred two thousand, one hundred ninety-three".