68626783 has 2 divisors, whose sum is σ = 68626784. Its totient is φ = 68626782.

The previous prime is 68626759. The next prime is 68626801. The reversal of 68626783 is 38762686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68626783 - 2⁵ = 68626751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68626703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34313391 + 34313392.

It is an arithmetic number, because the mean of its divisors is an integer number (34313392).

Almost surely, 2^68626783 is an apocalyptic number.

68626783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68626783 is an equidigital number, since it uses as much as digits as its factorization.

68626783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 68626783 is about 8284.1283790149. The cubic root of 68626783 is about 409.4157512256.

The spelling of 68626783 in words is "sixty-eight million, six hundred twenty-six thousand, seven hundred eighty-three".