676677407 has 12 divisors (see below), whose sum is σ = 806356656. Its totient is φ = 565860960.

The previous prime is 676677371. The next prime is 676677439. The reversal of 676677407 is 704776676.

It is a happy number.

676677407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 676677407 - 2⁸ = 676677151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676677607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166403 + ... + 170420.

It is an arithmetic number, because the mean of its divisors is an integer number (67196388).

Almost surely, 2^676677407 is an apocalyptic number.

676677407 is a deficient number, since it is larger than the sum of its proper divisors (129679249).

676677407 is a wasteful number, since it uses less digits than its factorization.

676677407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336878 (or 336871 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

The square root of 676677407 is about 26013.0237957835. The cubic root of 676677407 is about 877.9313526582.

The spelling of 676677407 in words is "six hundred seventy-six million, six hundred seventy-seven thousand, four hundred seven".