706679863 has 4 divisors (see below), whose sum is σ = 743873560. Its totient is φ = 669486168.

The previous prime is 706679843. The next prime is 706679873. The reversal of 706679863 is 368976607.

706679863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706679863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706679863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706679803) 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, 18596820 + ... + 18596857.

It is an arithmetic number, because the mean of its divisors is an integer number (185968390).

Almost surely, 2^706679863 is an apocalyptic number.

706679863 is a deficient number, since it is larger than the sum of its proper divisors (37193697).

706679863 is a wasteful number, since it uses less digits than its factorization.

706679863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37193696.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 706679863 is about 26583.4509234599. The cubic root of 706679863 is about 890.7193876418.

The spelling of 706679863 in words is "seven hundred six million, six hundred seventy-nine thousand, eight hundred sixty-three".