68655873005 has 8 divisors (see below), whose sum is σ = 87233344632. Its totient is φ = 51693833728.

The previous prime is 68655872959. The next prime is 68655873029. The reversal of 68655873005 is 50037855686.

It can be written as a sum of positive squares in 4 ways, for example, as 22913785129 + 45742087876 = 151373^2 + 213874^2 .

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 68655873005 - 2²² = 68651678701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403857992 + ... + 403858161.

It is an arithmetic number, because the mean of its divisors is an integer number (10904168079).

Almost surely, 2^68655873005 is an apocalyptic number.

It is an amenable number.

68655873005 is a deficient number, since it is larger than the sum of its proper divisors (18577471627).

68655873005 is a wasteful number, since it uses less digits than its factorization.

68655873005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807716175.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 68655873005 in words is "sixty-eight billion, six hundred fifty-five million, eight hundred seventy-three thousand, five".