677046005 has 4 divisors (see below), whose sum is σ = 812455212. Its totient is φ = 541636800.

The previous prime is 677046001. The next prime is 677046043. The reversal of 677046005 is 500640776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125641681 + 551404324 = 11209^2 + 23482^2 .

It is not a de Polignac number, because 677046005 - 2² = 677046001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677046001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67704596 + ... + 67704605.

It is an arithmetic number, because the mean of its divisors is an integer number (203113803).

Almost surely, 2^677046005 is an apocalyptic number.

It is an amenable number.

677046005 is a deficient number, since it is larger than the sum of its proper divisors (135409207).

677046005 is a wasteful number, since it uses less digits than its factorization.

677046005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135409206.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 677046005 is about 26020.1077053882. The cubic root of 677046005 is about 878.0907319023.

The spelling of 677046005 in words is "six hundred seventy-seven million, forty-six thousand, five".