68054977 has 2 divisors, whose sum is σ = 68054978. Its totient is φ = 68054976.

The previous prime is 68054963. The next prime is 68055023. The reversal of 68054977 is 77945086.

It is a happy number.

It is an a-pointer prime, because the next prime (68055023) can be obtained adding 68054977 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42562576 + 25492401 = 6524^2 + 5049^2 .

It is a cyclic number.

It is not a de Polignac number, because 68054977 - 2¹⁵ = 68022209 is a prime.

It is not a weakly prime, because it can be changed into another prime (68052977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34027488 + 34027489.

It is an arithmetic number, because the mean of its divisors is an integer number (34027489).

Almost surely, 2^68054977 is an apocalyptic number.

It is an amenable number.

68054977 is a deficient number, since it is larger than the sum of its proper divisors (1).

68054977 is an equidigital number, since it uses as much as digits as its factorization.

68054977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 68054977 is about 8249.5440480065. The cubic root of 68054977 is about 408.2754791651.

The spelling of 68054977 in words is "sixty-eight million, fifty-four thousand, nine hundred seventy-seven".