706780810067 has 4 divisors (see below), whose sum is σ = 709332365616. Its totient is φ = 704229254520.

The previous prime is 706780810009. The next prime is 706780810069. The reversal of 706780810067 is 760018087607.

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 706780810067 - 2⁶ = 706780810003 is a prime.

It is a super-2 number, since 2×706780810067² (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 = 706780809997 and 706780810024.

It is not an unprimeable number, because it can be changed into a prime (706780810069) 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, 1275777359 + ... + 1275777912.

It is an arithmetic number, because the mean of its divisors is an integer number (177333091404).

Almost surely, 2^706780810067 is an apocalyptic number.

706780810067 is a deficient number, since it is larger than the sum of its proper divisors (2551555549).

706780810067 is a wasteful number, since it uses less digits than its factorization.

706780810067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551555548.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 706780810067 in words is "seven hundred six billion, seven hundred eighty million, eight hundred ten thousand, sixty-seven".