677727727775 has 12 divisors (see below), whose sum is σ = 960437008752. Its totient is φ = 464727584640.

The previous prime is 677727727753. The next prime is 677727727799. The reversal of 677727727775 is 577727727776.

It is not a de Polignac number, because 677727727775 - 2⁶ = 677727727711 is a prime.

It is a super-3 number, since 3×677727727775³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677727727699 and 677727727708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1936364762 + ... + 1936365111.

It is an arithmetic number, because the mean of its divisors is an integer number (80036417396).

Almost surely, 2^677727727775 is an apocalyptic number.

677727727775 is a deficient number, since it is larger than the sum of its proper divisors (282709280977).

677727727775 is a wasteful number, since it uses less digits than its factorization.

677727727775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872729890 (or 3872729885 counting only the distinct ones).

The product of its digits is 691776120, while the sum is 71.

Subtracting from 677727727775 its reverse (577727727776), we obtain a palindrome (99999999999).

The spelling of 677727727775 in words is "six hundred seventy-seven billion, seven hundred twenty-seven million, seven hundred twenty-seven thousand, seven hundred seventy-five".