708823664 has 20 divisors (see below), whose sum is σ = 1375469256. Its totient is φ = 353863872.

The previous prime is 708823639. The next prime is 708823669. The reversal of 708823664 is 466328807.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708823669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23474 + ... + 44369.

Almost surely, 2^708823664 is an apocalyptic number.

It is an amenable number.

708823664 is a deficient number, since it is larger than the sum of its proper divisors (666645592).

708823664 is a wasteful number, since it uses less digits than its factorization.

708823664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68504 (or 68498 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 708823664 is about 26623.7424867354. The cubic root of 708823664 is about 891.6191809496.

The spelling of 708823664 in words is "seven hundred eight million, eight hundred twenty-three thousand, six hundred sixty-four".