68207187807 has 60 divisors (see below), whose sum is σ = 113573064528. Its totient is φ = 40755052800.

The previous prime is 68207187803. The next prime is 68207187809. The reversal of 68207187807 is 70878170286.

It is not a de Polignac number, because 68207187807 - 2² = 68207187803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68207187803) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 646863 + ... + 744879.

Almost surely, 2^68207187807 is an apocalyptic number.

68207187807 is a deficient number, since it is larger than the sum of its proper divisors (45365876721).

68207187807 is a wasteful number, since it uses less digits than its factorization.

68207187807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98122 (or 98102 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 68207187807 in words is "sixty-eight billion, two hundred seven million, one hundred eighty-seven thousand, eight hundred seven".