68961177 has 6 divisors (see below), whose sum is σ = 99610602. Its totient is φ = 45974112.

The previous prime is 68961161. The next prime is 68961187. The reversal of 68961177 is 77116986.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 4761 = 8304^2 + 69^2 .

It is not a de Polignac number, because 68961177 - 2⁴ = 68961161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68961187) 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 5 ways as a sum of consecutive naturals, for example, 3831168 + ... + 3831185.

It is an arithmetic number, because the mean of its divisors is an integer number (16601767).

Almost surely, 2^68961177 is an apocalyptic number.

It is an amenable number.

68961177 is a deficient number, since it is larger than the sum of its proper divisors (30649425).

68961177 is a wasteful number, since it uses less digits than its factorization.

68961177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662359 (or 7662356 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 68961177 is about 8304.2866641271. The cubic root of 68961177 is about 410.0796533721.

The spelling of 68961177 in words is "sixty-eight million, nine hundred sixty-one thousand, one hundred seventy-seven".