707706610009 has 27 divisors (see below), whose sum is σ = 841468279743. Its totient is φ = 593466976368.

The previous prime is 707706609991. The next prime is 707706610027. The reversal of 707706610009 is 900016607707.

It is a happy number.

The square root of 707706610009 is 841253.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (707706609991) and next prime (707706610027).

It can be written as a sum of positive squares in only one way, i.e., 303683655625 + 404022954384 = 551075^2 + 635628^2 .

It is not a de Polignac number, because 707706610009 - 2¹⁷ = 707706478937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (707706611009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 276770959 + ... + 276773515.

Almost surely, 2^707706610009 is an apocalyptic number.

707706610009 is the 841253-rd square number.

707706610009 is the 420627-th centered octagonal number.

It is an amenable number.

707706610009 is a deficient number, since it is larger than the sum of its proper divisors (133761669734).

707706610009 is an frugal number, since it uses more digits than its factorization.

707706610009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The spelling of 707706610009 in words is "seven hundred seven billion, seven hundred six million, six hundred ten thousand, nine".