706785035861 has 4 divisors (see below), whose sum is σ = 706786820352. Its totient is φ = 706783251372.

The previous prime is 706785035849. The next prime is 706785035969. The reversal of 706785035861 is 168530587607.

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 a de Polignac number, because none of the positive numbers 2^k-706785035861 is a prime.

It is a super-2 number, since 2×706785035861² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706785035797 and 706785035806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706785035821) 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, 2165 + ... + 1188938.

It is an arithmetic number, because the mean of its divisors is an integer number (176696705088).

Almost surely, 2^706785035861 is an apocalyptic number.

It is an amenable number.

706785035861 is a deficient number, since it is larger than the sum of its proper divisors (1784491).

706785035861 is a wasteful number, since it uses less digits than its factorization.

706785035861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784490.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 706785035861 in words is "seven hundred six billion, seven hundred eighty-five million, thirty-five thousand, eight hundred sixty-one".