227686725865 has 8 divisors (see below), whose sum is σ = 273832590600. Its totient is φ = 181743700992.

The previous prime is 227686725859. The next prime is 227686725961. The reversal of 227686725865 is 568527686722.

It can be written as a sum of positive squares in 4 ways, for example, as 2916864064 + 224769861801 = 54008^2 + 474099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 227686725865 - 2⁹ = 227686725353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227686725797 and 227686725806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50707494 + ... + 50711983.

It is an arithmetic number, because the mean of its divisors is an integer number (34229073825).

Almost surely, 2^227686725865 is an apocalyptic number.

It is an amenable number.

227686725865 is a deficient number, since it is larger than the sum of its proper divisors (46145864735).

227686725865 is a wasteful number, since it uses less digits than its factorization.

227686725865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101419931.

The product of its digits is 135475200, while the sum is 64.

The spelling of 227686725865 in words is "two hundred twenty-seven billion, six hundred eighty-six million, seven hundred twenty-five thousand, eight hundred sixty-five".