225687852086859 has 12 divisors (see below), whose sum is σ = 327262021576776. Its totient is φ = 149873126157312.

The previous prime is 225687852086803. The next prime is 225687852086869. The reversal of 225687852086859 is 958680258786522.

225687852086859 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 8 + 7 + 8 + 520 + 8 + 6 + 85 + 9 = 666.

It is not a de Polignac number, because 225687852086859 - 2⁸ = 225687852086603 is a prime.

It is a super-3 number, since 3×225687852086859³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225687852086869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48786822609 + ... + 48786827234.

It is an arithmetic number, because the mean of its divisors is an integer number (27271835131398).

Almost surely, 2^{225687852086859} is an apocalyptic number.

225687852086859 is a deficient number, since it is larger than the sum of its proper divisors (101574169489917).

225687852086859 is a wasteful number, since it uses less digits than its factorization.

225687852086859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97573650106 (or 97573650103 counting only the distinct ones).

The product of its (nonzero) digits is 9289728000, while the sum is 81.

The spelling of 225687852086859 in words is "two hundred twenty-five trillion, six hundred eighty-seven billion, eight hundred fifty-two million, eighty-six thousand, eight hundred fifty-nine".