707971207 has 2 divisors, whose sum is σ = 707971208. Its totient is φ = 707971206.

The previous prime is 707971181. The next prime is 707971213. The reversal of 707971207 is 702179707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 707971207 - 2⁷ = 707971079 is a prime.

It is a super-3 number, since 3×707971207³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 707971207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707971507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353985603 + 353985604.

It is an arithmetic number, because the mean of its divisors is an integer number (353985604).

Almost surely, 2^707971207 is an apocalyptic number.

707971207 is a deficient number, since it is larger than the sum of its proper divisors (1).

707971207 is an equidigital number, since it uses as much as digits as its factorization.

707971207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 40.

The square root of 707971207 is about 26607.7283321970. The cubic root of 707971207 is about 891.2616063984.

The spelling of 707971207 in words is "seven hundred seven million, nine hundred seventy-one thousand, two hundred seven".