68803956709 has 8 divisors (see below), whose sum is σ = 69835310208. Its totient is φ = 67772733600.

The previous prime is 68803956703. The next prime is 68803956713. The reversal of 68803956709 is 90765930886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68803956709 - 2²⁷ = 68669738981 is a prime.

It is a super-3 number, since 3×68803956709³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68803956703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774884 + ... + 1813234.

It is an arithmetic number, because the mean of its divisors is an integer number (8729413776).

Almost surely, 2^68803956709 is an apocalyptic number.

It is an amenable number.

68803956709 is a deficient number, since it is larger than the sum of its proper divisors (1031353499).

68803956709 is a wasteful number, since it uses less digits than its factorization.

68803956709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65195.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 68803956709 in words is "sixty-eight billion, eight hundred three million, nine hundred fifty-six thousand, seven hundred nine".