68880563 has 2 divisors, whose sum is σ = 68880564. Its totient is φ = 68880562.

The previous prime is 68880557. The next prime is 68880577. The reversal of 68880563 is 36508886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68880563 - 2⁴ = 68880547 is a prime.

It is not a weakly prime, because it can be changed into another prime (68880503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34440281 + 34440282.

It is an arithmetic number, because the mean of its divisors is an integer number (34440282).

Almost surely, 2^68880563 is an apocalyptic number.

68880563 is a deficient number, since it is larger than the sum of its proper divisors (1).

68880563 is an equidigital number, since it uses as much as digits as its factorization.

68880563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 68880563 is about 8299.4314865538. The cubic root of 68880563 is about 409.9197998990.

The spelling of 68880563 in words is "sixty-eight million, eight hundred eighty thousand, five hundred sixty-three".