68628607 has 2 divisors, whose sum is σ = 68628608. Its totient is φ = 68628606.

The previous prime is 68628577. The next prime is 68628617. The reversal of 68628607 is 70682686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68628607 - 2¹⁹ = 68104319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68628617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34314303 + 34314304.

It is an arithmetic number, because the mean of its divisors is an integer number (34314304).

Almost surely, 2^68628607 is an apocalyptic number.

68628607 is a deficient number, since it is larger than the sum of its proper divisors (1).

68628607 is an equidigital number, since it uses as much as digits as its factorization.

68628607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68628607 is about 8284.2384683204. The cubic root of 68628607 is about 409.4193784184.

The spelling of 68628607 in words is "sixty-eight million, six hundred twenty-eight thousand, six hundred seven".