677464045 has 4 divisors (see below), whose sum is σ = 812956860. Its totient is φ = 541971232.

The previous prime is 677464027. The next prime is 677464091. The reversal of 677464045 is 540464776.

677464045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 370408516 + 307055529 = 19246^2 + 17523^2 .

It is a cyclic number.

It is not a de Polignac number, because 677464045 - 2⁵ = 677464013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677463992 and 677464010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67746400 + ... + 67746409.

It is an arithmetic number, because the mean of its divisors is an integer number (203239215).

Almost surely, 2^677464045 is an apocalyptic number.

It is an amenable number.

677464045 is a deficient number, since it is larger than the sum of its proper divisors (135492815).

677464045 is a wasteful number, since it uses less digits than its factorization.

677464045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135492814.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 677464045 is about 26028.1394840277. The cubic root of 677464045 is about 878.2714195378.

The spelling of 677464045 in words is "six hundred seventy-seven million, four hundred sixty-four thousand, forty-five".