677709111 has 16 divisors (see below), whose sum is σ = 928505600. Its totient is φ = 439447680.

The previous prime is 677709083. The next prime is 677709113. The reversal of 677709111 is 111907776.

It is not a de Polignac number, because 677709111 - 2⁵ = 677709079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677709111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677709113) 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 15 ways as a sum of consecutive naturals, for example, 20190 + ... + 41988.

It is an arithmetic number, because the mean of its divisors is an integer number (58031600).

Almost surely, 2^677709111 is an apocalyptic number.

677709111 is a deficient number, since it is larger than the sum of its proper divisors (250796489).

677709111 is a wasteful number, since it uses less digits than its factorization.

677709111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086.

The product of its (nonzero) digits is 18522, while the sum is 39.

The square root of 677709111 is about 26032.8467709546. The cubic root of 677709111 is about 878.3773088061.

The spelling of 677709111 in words is "six hundred seventy-seven million, seven hundred nine thousand, one hundred eleven".