708963985 has 4 divisors (see below), whose sum is σ = 850756788. Its totient is φ = 567171184.

The previous prime is 708963977. The next prime is 708963991. The reversal of 708963985 is 589369807.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108076816 + 600887169 = 10396^2 + 24513^2 .

It is a cyclic number.

It is not a de Polignac number, because 708963985 - 2³ = 708963977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70896394 + ... + 70896403.

It is an arithmetic number, because the mean of its divisors is an integer number (212689197).

Almost surely, 2^708963985 is an apocalyptic number.

It is an amenable number.

708963985 is a deficient number, since it is larger than the sum of its proper divisors (141792803).

708963985 is a wasteful number, since it uses less digits than its factorization.

708963985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141792802.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 708963985 is about 26626.3776169422. The cubic root of 708963985 is about 891.6780129960.

The spelling of 708963985 in words is "seven hundred eight million, nine hundred sixty-three thousand, nine hundred eighty-five".