677155423 has 16 divisors (see below), whose sum is σ = 805916160. Its totient is φ = 556668000.

The previous prime is 677155411. The next prime is 677155439. The reversal of 677155423 is 324551776.

677155423 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 677155423 - 2⁹ = 677154911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677155403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19608 + ... + 41698.

It is an arithmetic number, because the mean of its divisors is an integer number (50369760).

Almost surely, 2^677155423 is an apocalyptic number.

677155423 is a deficient number, since it is larger than the sum of its proper divisors (128760737).

677155423 is a wasteful number, since it uses less digits than its factorization.

677155423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22278.

The product of its digits is 176400, while the sum is 40.

The square root of 677155423 is about 26022.2101866848. The cubic root of 677155423 is about 878.1380323594.

The spelling of 677155423 in words is "six hundred seventy-seven million, one hundred fifty-five thousand, four hundred twenty-three".