68203871707 has 2 divisors, whose sum is σ = 68203871708. Its totient is φ = 68203871706.

The previous prime is 68203871663. The next prime is 68203871713. The reversal of 68203871707 is 70717830286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68203871707 is a prime.

It is not a weakly prime, because it can be changed into another prime (68203871777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34101935853 + 34101935854.

It is an arithmetic number, because the mean of its divisors is an integer number (34101935854).

Almost surely, 2^68203871707 is an apocalyptic number.

68203871707 is a deficient number, since it is larger than the sum of its proper divisors (1).

68203871707 is an equidigital number, since it uses as much as digits as its factorization.

68203871707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 68203871707 in words is "sixty-eight billion, two hundred three million, eight hundred seventy-one thousand, seven hundred seven".