68070786187 has 2 divisors, whose sum is σ = 68070786188. Its totient is φ = 68070786186.

The previous prime is 68070786169. The next prime is 68070786193. The reversal of 68070786187 is 78168707086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68070786187 - 2¹⁹ = 68070261899 is a prime.

It is not a weakly prime, because it can be changed into another prime (68070786167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035393093 + 34035393094.

It is an arithmetic number, because the mean of its divisors is an integer number (34035393094).

Almost surely, 2^68070786187 is an apocalyptic number.

68070786187 is a deficient number, since it is larger than the sum of its proper divisors (1).

68070786187 is an equidigital number, since it uses as much as digits as its factorization.

68070786187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The spelling of 68070786187 in words is "sixty-eight billion, seventy million, seven hundred eighty-six thousand, one hundred eighty-seven".