196872605725 has 6 divisors (see below), whose sum is σ = 244122031130. Its totient is φ = 157498084560.

The previous prime is 196872605717. The next prime is 196872605749. The reversal of 196872605725 is 527506278691.

It can be written as a sum of positive squares in 3 ways, for example, as 68747266809 + 128125338916 = 262197^2 + 357946^2 .

It is not a de Polignac number, because 196872605725 - 2³ = 196872605717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196872605725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3937452090 + ... + 3937452139.

Almost surely, 2^196872605725 is an apocalyptic number.

It is an amenable number.

196872605725 is a deficient number, since it is larger than the sum of its proper divisors (47249425405).

196872605725 is an equidigital number, since it uses as much as digits as its factorization.

196872605725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874904239 (or 7874904234 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 196872605725 in words is "one hundred ninety-six billion, eight hundred seventy-two million, six hundred five thousand, seven hundred twenty-five".