68477599 has 2 divisors, whose sum is σ = 68477600. Its totient is φ = 68477598.

The previous prime is 68477597. The next prime is 68477609. The reversal of 68477599 is 99577486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68477599 - 2¹ = 68477597 is a prime.

Together with 68477597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68477597) 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, 34238799 + 34238800.

It is an arithmetic number, because the mean of its divisors is an integer number (34238800).

Almost surely, 2^68477599 is an apocalyptic number.

68477599 is a deficient number, since it is larger than the sum of its proper divisors (1).

68477599 is an equidigital number, since it uses as much as digits as its factorization.

68477599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The square root of 68477599 is about 8275.1192740649. The cubic root of 68477599 is about 409.1188671787.

The spelling of 68477599 in words is "sixty-eight million, four hundred seventy-seven thousand, five hundred ninety-nine".