68870188067 has 2 divisors, whose sum is σ = 68870188068. Its totient is φ = 68870188066.

The previous prime is 68870187973. The next prime is 68870188133. The reversal of 68870188067 is 76088107886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68870188067 - 2⁸ = 68870187811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68870187997 and 68870188015.

It is not a weakly prime, because it can be changed into another prime (68870181067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34435094033 + 34435094034.

It is an arithmetic number, because the mean of its divisors is an integer number (34435094034).

Almost surely, 2^68870188067 is an apocalyptic number.

68870188067 is a deficient number, since it is larger than the sum of its proper divisors (1).

68870188067 is an equidigital number, since it uses as much as digits as its factorization.

68870188067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7225344, while the sum is 59.

The spelling of 68870188067 in words is "sixty-eight billion, eight hundred seventy million, one hundred eighty-eight thousand, sixty-seven".