677214005 has 16 divisors (see below), whose sum is σ = 880756464. Its totient is φ = 496903680.

The previous prime is 677213987. The next prime is 677214049. The reversal of 677214005 is 500412776.

It can be written as a sum of positive squares in 8 ways, for example, as 235499716 + 441714289 = 15346^2 + 21017^2 .

It is not a de Polignac number, because 677214005 - 2¹⁴ = 677197621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22976 + ... + 43385.

It is an arithmetic number, because the mean of its divisors is an integer number (55047279).

Almost surely, 2^677214005 is an apocalyptic number.

677214005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

677214005 is a deficient number, since it is larger than the sum of its proper divisors (203542459).

677214005 is a wasteful number, since it uses less digits than its factorization.

677214005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66536.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 677214005 is about 26023.3357777207. The cubic root of 677214005 is about 878.1633547581.

The spelling of 677214005 in words is "six hundred seventy-seven million, two hundred fourteen thousand, five".