677808610 has 16 divisors (see below), whose sum is σ = 1220963832. Its totient is φ = 270921600.

The previous prime is 677808589. The next prime is 677808611. The reversal of 677808610 is 16808776.

It can be written as a sum of positive squares in 4 ways, for example, as 531809721 + 145998889 = 23061^2 + 12083^2 .

It is not an unprimeable number, because it can be changed into a prime (677808611) 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 7 ways as a sum of consecutive naturals, for example, 10731 + ... + 38350.

Almost surely, 2^677808610 is an apocalyptic number.

677808610 is a deficient number, since it is larger than the sum of its proper divisors (543155222).

677808610 is a wasteful number, since it uses less digits than its factorization.

677808610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50469.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 677808610 is about 26034.7577288516. The cubic root of 677808610 is about 878.4202935152.

The spelling of 677808610 in words is "six hundred seventy-seven million, eight hundred eight thousand, six hundred ten".