872197353 has 6 divisors (see below), whose sum is σ = 1259840634. Its totient is φ = 581464896.

The previous prime is 872197351. The next prime is 872197363. The reversal of 872197353 is 353791278.

It is a happy number.

872197353 is a `hidden beast` number, since 87 + 219 + 7 + 353 = 666.

It can be written as a sum of positive squares in only one way, i.e., 871607529 + 589824 = 29523^2 + 768^2 .

It is not a de Polignac number, because 872197353 - 2¹ = 872197351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 872197299 and 872197308.

It is not an unprimeable number, because it can be changed into a prime (872197351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48455400 + ... + 48455417.

It is an arithmetic number, because the mean of its divisors is an integer number (209973439).

Almost surely, 2^872197353 is an apocalyptic number.

It is an amenable number.

872197353 is a deficient number, since it is larger than the sum of its proper divisors (387643281).

872197353 is a wasteful number, since it uses less digits than its factorization.

872197353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96910823 (or 96910820 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 872197353 is about 29532.9875393601. The cubic root of 872197353 is about 955.4433046922.

The spelling of 872197353 in words is "eight hundred seventy-two million, one hundred ninety-seven thousand, three hundred fifty-three".