68244863 has 2 divisors, whose sum is σ = 68244864. Its totient is φ = 68244862.

The previous prime is 68244833. The next prime is 68244871. The reversal of 68244863 is 36844286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68244863 - 2¹⁶ = 68179327 is a prime.

It is a super-2 number, since 2×68244863² = 9314722651777538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68244863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68244833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34122431 + 34122432.

It is an arithmetic number, because the mean of its divisors is an integer number (34122432).

Almost surely, 2^68244863 is an apocalyptic number.

68244863 is a deficient number, since it is larger than the sum of its proper divisors (1).

68244863 is an equidigital number, since it uses as much as digits as its factorization.

68244863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The square root of 68244863 is about 8261.0449096951. The cubic root of 68244863 is about 408.6548479678.

The spelling of 68244863 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred sixty-three".