68970978606 has 32 divisors (see below), whose sum is σ = 138277584000. Its totient is φ = 22934429856.

The previous prime is 68970978581. The next prime is 68970978617. The reversal of 68970978606 is 60687907986.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11365185 + ... + 11371251.

It is an arithmetic number, because the mean of its divisors is an integer number (4321174500).

Almost surely, 2^68970978606 is an apocalyptic number.

68970978606 is an abundant number, since it is smaller than the sum of its proper divisors (69306605394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68970978606 is a wasteful number, since it uses less digits than its factorization.

68970978606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368.

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 68970978606 in words is "sixty-eight billion, nine hundred seventy million, nine hundred seventy-eight thousand, six hundred six".