708856781920 has 384 divisors, whose sum is σ = 2182810291200. Its totient is φ = 211657162752.

The previous prime is 708856781917. The next prime is 708856781953. The reversal of 708856781920 is 29187658807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15532896 + ... + 15578464.

It is an arithmetic number, because the mean of its divisors is an integer number (5684401800).

Almost surely, 2^708856781920 is an apocalyptic number.

708856781920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708856781920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091405145600).

708856781920 is an abundant number, since it is smaller than the sum of its proper divisors (1473953509280).

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

708856781920 is a wasteful number, since it uses less digits than its factorization.

708856781920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45670 (or 45662 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 708856781920 in words is "seven hundred eight billion, eight hundred fifty-six million, seven hundred eighty-one thousand, nine hundred twenty".