677466549 has 12 divisors (see below), whose sum is σ = 994605612. Its totient is φ = 444240000.

The previous prime is 677466521. The next prime is 677466551. The reversal of 677466549 is 945664776.

It can be written as a sum of positive squares in 2 ways, for example, as 13373649 + 664092900 = 3657^2 + 25770^2 .

It is not a de Polignac number, because 677466549 - 2⁷ = 677466421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677466495 and 677466504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677466149) 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 in 11 ways as a sum of consecutive naturals, for example, 616452 + ... + 617549.

It is an arithmetic number, because the mean of its divisors is an integer number (82883801).

Almost surely, 2^677466549 is an apocalyptic number.

It is an amenable number.

677466549 is a deficient number, since it is larger than the sum of its proper divisors (317139063).

677466549 is a wasteful number, since it uses less digits than its factorization.

677466549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234068 (or 1234065 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 677466549 is about 26028.1875857694. The cubic root of 677466549 is about 878.2725016070.

The spelling of 677466549 in words is "six hundred seventy-seven million, four hundred sixty-six thousand, five hundred forty-nine".