677419197 has 16 divisors (see below), whose sum is σ = 1111662720. Its totient is φ = 357319872.

The previous prime is 677419189. The next prime is 677419201. The reversal of 677419197 is 791914776.

It is not a de Polignac number, because 677419197 - 2³ = 677419189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677419157) 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, 1240422 + ... + 1240967.

It is an arithmetic number, because the mean of its divisors is an integer number (69478920).

Almost surely, 2^677419197 is an apocalyptic number.

It is an amenable number.

677419197 is a deficient number, since it is larger than the sum of its proper divisors (434243523).

677419197 is a wasteful number, since it uses less digits than its factorization.

677419197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481412.

The product of its digits is 666792, while the sum is 51.

The square root of 677419197 is about 26027.2779406530. The cubic root of 677419197 is about 878.2520386393.

The spelling of 677419197 in words is "six hundred seventy-seven million, four hundred nineteen thousand, one hundred ninety-seven".