68885651 has 2 divisors, whose sum is σ = 68885652. Its totient is φ = 68885650.

The previous prime is 68885611. The next prime is 68885657. The reversal of 68885651 is 15658886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68885651 - 2⁶ = 68885587 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 68885596 and 68885605.

It is not a weakly prime, because it can be changed into another prime (68885657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34442825 + 34442826.

It is an arithmetic number, because the mean of its divisors is an integer number (34442826).

Almost surely, 2^68885651 is an apocalyptic number.

68885651 is a deficient number, since it is larger than the sum of its proper divisors (1).

68885651 is an equidigital number, since it uses as much as digits as its factorization.

68885651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 47.

The square root of 68885651 is about 8299.7380079133. The cubic root of 68885651 is about 409.9298928314.

The spelling of 68885651 in words is "sixty-eight million, eight hundred eighty-five thousand, six hundred fifty-one".