709697663 has 8 divisors (see below), whose sum is σ = 732940416. Its totient is φ = 686476800.

The previous prime is 709697647. The next prime is 709697669. The reversal of 709697663 is 366796907.

709697663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 709697663 - 2⁴ = 709697647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709697669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83783 + ... + 91863.

It is an arithmetic number, because the mean of its divisors is an integer number (91617552).

Almost surely, 2^709697663 is an apocalyptic number.

709697663 is a deficient number, since it is larger than the sum of its proper divisors (23242753).

709697663 is a wasteful number, since it uses less digits than its factorization.

709697663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 709697663 is about 26640.1513321528. The cubic root of 709697663 is about 891.9854940599.

The spelling of 709697663 in words is "seven hundred nine million, six hundred ninety-seven thousand, six hundred sixty-three".