677318753 has 2 divisors, whose sum is σ = 677318754. Its totient is φ = 677318752.

The previous prime is 677318717. The next prime is 677318779. The reversal of 677318753 is 357813776.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659102929 + 18215824 = 25673^2 + 4268^2 .

It is a cyclic number.

It is not a de Polignac number, because 677318753 - 2⁶ = 677318689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677318698 and 677318707.

It is not a weakly prime, because it can be changed into another prime (677318353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338659376 + 338659377.

It is an arithmetic number, because the mean of its divisors is an integer number (338659377).

Almost surely, 2^677318753 is an apocalyptic number.

It is an amenable number.

677318753 is a deficient number, since it is larger than the sum of its proper divisors (1).

677318753 is an equidigital number, since it uses as much as digits as its factorization.

677318753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 47.

The square root of 677318753 is about 26025.3482781691. The cubic root of 677318753 is about 878.2086290299.

The spelling of 677318753 in words is "six hundred seventy-seven million, three hundred eighteen thousand, seven hundred fifty-three".