708971961 has 32 divisors (see below), whose sum is σ = 1038562560. Its totient is φ = 428201984.

The previous prime is 708971899. The next prime is 708971971. The reversal of 708971961 is 169179807.

It is a happy number.

It is not a de Polignac number, because 708971961 - 2⁶ = 708971897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 708971961.

It is not an unprimeable number, because it can be changed into a prime (708971971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743461 + ... + 744413.

It is an arithmetic number, because the mean of its divisors is an integer number (32455080).

Almost surely, 2^708971961 is an apocalyptic number.

It is an amenable number.

708971961 is a deficient number, since it is larger than the sum of its proper divisors (329590599).

708971961 is a wasteful number, since it uses less digits than its factorization.

708971961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 708971961 is about 26626.5273928088. The cubic root of 708971961 is about 891.6813568411.

The spelling of 708971961 in words is "seven hundred eight million, nine hundred seventy-one thousand, nine hundred sixty-one".