68414778225 has 48 divisors (see below), whose sum is σ = 131144880000. Its totient is φ = 34901444160.

The previous prime is 68414778203. The next prime is 68414778233. The reversal of 68414778225 is 52287741486.

68414778225 is a `hidden beast` number, since 68 + 414 + 77 + 82 + 25 = 666.

It is not a de Polignac number, because 68414778225 - 2⁵ = 68414778193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2187850 + ... + 2218899.

It is an arithmetic number, because the mean of its divisors is an integer number (2732185000).

Almost surely, 2^68414778225 is an apocalyptic number.

It is an amenable number.

68414778225 is a deficient number, since it is larger than the sum of its proper divisors (62730101775).

68414778225 is a wasteful number, since it uses less digits than its factorization.

68414778225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406791 (or 4406780 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 68414778225 in words is "sixty-eight billion, four hundred fourteen million, seven hundred seventy-eight thousand, two hundred twenty-five".