68240628207 has 24 divisors (see below), whose sum is σ = 99727344080. Its totient is φ = 44960832000.

The previous prime is 68240628191. The next prime is 68240628221. The reversal of 68240628207 is 70282604286.

It is not a de Polignac number, because 68240628207 - 2⁴ = 68240628191 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68240628257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563832 + ... + 674082.

Almost surely, 2^68240628207 is an apocalyptic number.

68240628207 is a deficient number, since it is larger than the sum of its proper divisors (31486715873).

68240628207 is a wasteful number, since it uses less digits than its factorization.

68240628207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111063 (or 111060 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 68240628207 in words is "sixty-eight billion, two hundred forty million, six hundred twenty-eight thousand, two hundred seven".