67778114825228 has 12 divisors (see below), whose sum is σ = 118611940070232. Its totient is φ = 33888989090880.

The previous prime is 67778114825209. The next prime is 67778114825243. The reversal of 67778114825228 is 82252841187776.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14814950 + ... + 18842477.

It is an arithmetic number, because the mean of its divisors is an integer number (9884328339186).

Almost surely, 2^{67778114825228} is an apocalyptic number.

It is an amenable number.

67778114825228 is a deficient number, since it is larger than the sum of its proper divisors (50833825245004).

67778114825228 is a wasteful number, since it uses less digits than its factorization.

67778114825228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34160872 (or 34160870 counting only the distinct ones).

The product of its digits is 168591360, while the sum is 68.

The spelling of 67778114825228 in words is "sixty-seven trillion, seven hundred seventy-eight billion, one hundred fourteen million, eight hundred twenty-five thousand, two hundred twenty-eight".