68802047 has 2 divisors, whose sum is σ = 68802048. Its totient is φ = 68802046.

The previous prime is 68802037. The next prime is 68802079. The reversal of 68802047 is 74020886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68802047 - 2¹² = 68797951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68801998 and 68802016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68802017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34401023 + 34401024.

It is an arithmetic number, because the mean of its divisors is an integer number (34401024).

Almost surely, 2^68802047 is an apocalyptic number.

68802047 is a deficient number, since it is larger than the sum of its proper divisors (1).

68802047 is an equidigital number, since it uses as much as digits as its factorization.

68802047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 68802047 is about 8294.6999342954. The cubic root of 68802047 is about 409.7639867130.

The spelling of 68802047 in words is "sixty-eight million, eight hundred two thousand, forty-seven".