68226777 has 24 divisors (see below), whose sum is σ = 104925600. Its totient is φ = 42596928.

The previous prime is 68226757. The next prime is 68226791. The reversal of 68226777 is 77762286.

It is a happy number.

It is not a de Polignac number, because 68226777 - 2⁷ = 68226649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68226727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12978 + ... + 17460.

It is an arithmetic number, because the mean of its divisors is an integer number (4371900).

Almost surely, 2^68226777 is an apocalyptic number.

It is an amenable number.

68226777 is a deficient number, since it is larger than the sum of its proper divisors (36698823).

68226777 is a wasteful number, since it uses less digits than its factorization.

68226777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597 (or 4594 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 68226777 is about 8259.9501814478. The cubic root of 68226777 is about 408.6187447152.

The spelling of 68226777 in words is "sixty-eight million, two hundred twenty-six thousand, seven hundred seventy-seven".