78466708444684 has 12 divisors (see below), whose sum is σ = 156933416889424. Its totient is φ = 33628589333424.

The previous prime is 78466708444673. The next prime is 78466708444753. The reversal of 78466708444684 is 48644480766487.

It is a happy number.

78466708444684 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 78466708444684.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401191222199 + ... + 1401191222254.

Almost surely, 2^{78466708444684} is an apocalyptic number.

It is an amenable number.

78466708444684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78466708444684 is a wasteful number, since it uses less digits than its factorization.

78466708444684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802382444464 (or 2802382444462 counting only the distinct ones).

The product of its (nonzero) digits is 5549064192, while the sum is 76.

The spelling of 78466708444684 in words is "seventy-eight trillion, four hundred sixty-six billion, seven hundred eight million, four hundred forty-four thousand, six hundred eighty-four".