706847863618 has 16 divisors (see below), whose sum is σ = 1172691467640. Its totient is φ = 317420246016.

The previous prime is 706847863613. The next prime is 706847863661. The reversal of 706847863618 is 816368748607.

It can be written as a sum of positive squares in 4 ways, for example, as 703915966009 + 2931897609 = 838997^2 + 54147^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 706847863618.

It is not an unprimeable number, because it can be changed into a prime (706847863613) 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, 367383583 + ... + 367385506.

Almost surely, 2^706847863618 is an apocalyptic number.

706847863618 is a deficient number, since it is larger than the sum of its proper divisors (465843604022).

706847863618 is a wasteful number, since it uses less digits than its factorization.

706847863618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734769141.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 706847863618 in words is "seven hundred six billion, eight hundred forty-seven million, eight hundred sixty-three thousand, six hundred eighteen".