707677109 has 2 divisors, whose sum is σ = 707677110. Its totient is φ = 707677108.

The previous prime is 707677081. The next prime is 707677121. The reversal of 707677109 is 901776707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 680062084 + 27615025 = 26078^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 707677109 - 2¹⁶ = 707611573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 707677109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707677129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353838554 + 353838555.

It is an arithmetic number, because the mean of its divisors is an integer number (353838555).

Almost surely, 2^707677109 is an apocalyptic number.

It is an amenable number.

707677109 is a deficient number, since it is larger than the sum of its proper divisors (1).

707677109 is an equidigital number, since it uses as much as digits as its factorization.

707677109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 44.

The square root of 707677109 is about 26602.2012059153. The cubic root of 707677109 is about 891.1381764448.

The spelling of 707677109 in words is "seven hundred seven million, six hundred seventy-seven thousand, one hundred nine".