708824646978 has 96 divisors (see below), whose sum is σ = 1658830233600. Its totient is φ = 201329595936.

The previous prime is 708824646947. The next prime is 708824646989. The reversal of 708824646978 is 879646428807.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42643153 + ... + 42659771.

It is an arithmetic number, because the mean of its divisors is an integer number (17279481600).

Almost surely, 2^708824646978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708824646978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829415116800).

708824646978 is an abundant number, since it is smaller than the sum of its proper divisors (950005586622).

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

708824646978 is a wasteful number, since it uses less digits than its factorization.

708824646978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17484 (or 17477 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 69.

The spelling of 708824646978 in words is "seven hundred eight billion, eight hundred twenty-four million, six hundred forty-six thousand, nine hundred seventy-eight".