706478717759 has 4 divisors (see below), whose sum is σ = 708889908216. Its totient is φ = 704067527304.

The previous prime is 706478717719. The next prime is 706478717783. The reversal of 706478717759 is 957717874607.

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

It is a cyclic number.

It is not a de Polignac number, because 706478717759 - 2¹² = 706478713663 is a prime.

It is a super-2 number, since 2×706478717759² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706478717719) 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, 1205594789 + ... + 1205595374.

It is an arithmetic number, because the mean of its divisors is an integer number (177222477054).

Almost surely, 2^706478717759 is an apocalyptic number.

706478717759 is a deficient number, since it is larger than the sum of its proper divisors (2411190457).

706478717759 is a wasteful number, since it uses less digits than its factorization.

706478717759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411190456.

The product of its (nonzero) digits is 145212480, while the sum is 68.

The spelling of 706478717759 in words is "seven hundred six billion, four hundred seventy-eight million, seven hundred seventeen thousand, seven hundred fifty-nine".