68551607 has 2 divisors, whose sum is σ = 68551608. Its totient is φ = 68551606.

The previous prime is 68551577. The next prime is 68551643. The reversal of 68551607 is 70615586.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68551607 - 2⁶ = 68551543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68551657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34275803 + 34275804.

It is an arithmetic number, because the mean of its divisors is an integer number (34275804).

Almost surely, 2^68551607 is an apocalyptic number.

68551607 is a deficient number, since it is larger than the sum of its proper divisors (1).

68551607 is an equidigital number, since it uses as much as digits as its factorization.

68551607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 68551607 is about 8279.5897845244. The cubic root of 68551607 is about 409.2662008484.

The spelling of 68551607 in words is "sixty-eight million, five hundred fifty-one thousand, six hundred seven".