196927375225 has 81 divisors (see below), whose sum is σ = 294235827021. Its totient is φ = 130360406400.

The previous prime is 196927375223. The next prime is 196927375237. The reversal of 196927375225 is 522573729691.

It is a happy number.

The square root of 196927375225 is 443765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22614445161 + 174312930064 = 150381^2 + 417508^2 .

It is not a de Polignac number, because 196927375225 - 2¹ = 196927375223 is a prime.

It is a super-2 number, since 2×196927375225² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 196927375225.

It is not an unprimeable number, because it can be changed into a prime (196927375223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 481484821 + ... + 481485229.

Almost surely, 2^196927375225 is an apocalyptic number.

196927375225 is the 443765-th square number.

196927375225 is the 221883-rd centered octagonal number.

It is an amenable number.

196927375225 is a deficient number, since it is larger than the sum of its proper divisors (97308451796).

196927375225 is an frugal number, since it uses more digits than its factorization.

196927375225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 452 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 58.

The spelling of 196927375225 in words is "one hundred ninety-six billion, nine hundred twenty-seven million, three hundred seventy-five thousand, two hundred twenty-five".