708828961 has 4 divisors (see below), whose sum is σ = 709268400. Its totient is φ = 708389524.

The previous prime is 708828947. The next prime is 708829003. The reversal of 708828961 is 169828807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 708828961 - 2⁷ = 708828833 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708828941) 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, 217291 + ... + 220528.

It is an arithmetic number, because the mean of its divisors is an integer number (177317100).

Almost surely, 2^708828961 is an apocalyptic number.

It is an amenable number.

708828961 is a deficient number, since it is larger than the sum of its proper divisors (439439).

708828961 is a wasteful number, since it uses less digits than its factorization.

708828961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439438.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 708828961 is about 26623.8419654264. The cubic root of 708828961 is about 891.6214019510.

The spelling of 708828961 in words is "seven hundred eight million, eight hundred twenty-eight thousand, nine hundred sixty-one".