68100777 has 16 divisors (see below), whose sum is σ = 103238080. Its totient is φ = 44343936.

The previous prime is 68100761. The next prime is 68100779. The reversal of 68100777 is 77700186.

It is not a de Polignac number, because 68100777 - 2⁴ = 68100761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68100779) 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 15 ways as a sum of consecutive naturals, for example, 28168 + ... + 30489.

It is an arithmetic number, because the mean of its divisors is an integer number (6452380).

Almost surely, 2^68100777 is an apocalyptic number.

It is an amenable number.

68100777 is a deficient number, since it is larger than the sum of its proper divisors (35137303).

68100777 is a wasteful number, since it uses less digits than its factorization.

68100777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58709 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 68100777 is about 8252.3194921186. The cubic root of 68100777 is about 408.3670464275.

The spelling of 68100777 in words is "sixty-eight million, one hundred thousand, seven hundred seventy-seven".