68880201787 has 2 divisors, whose sum is σ = 68880201788. Its totient is φ = 68880201786.

The previous prime is 68880201779. The next prime is 68880201821. The reversal of 68880201787 is 78710208886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68880201787 - 2³ = 68880201779 is a prime.

It is not a weakly prime, because it can be changed into another prime (68880201727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34440100893 + 34440100894.

It is an arithmetic number, because the mean of its divisors is an integer number (34440100894).

Almost surely, 2^68880201787 is an apocalyptic number.

68880201787 is a deficient number, since it is larger than the sum of its proper divisors (1).

68880201787 is an equidigital number, since it uses as much as digits as its factorization.

68880201787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 68880201787 in words is "sixty-eight billion, eight hundred eighty million, two hundred one thousand, seven hundred eighty-seven".