677025357727 has 4 divisors (see below), whose sum is σ = 678122644176. Its totient is φ = 675928071280.

The previous prime is 677025357719. The next prime is 677025357751. The reversal of 677025357727 is 727753520776.

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

It is a cyclic number.

It is not a de Polignac number, because 677025357727 - 2³ = 677025357719 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677025358727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548642299 + ... + 548643532.

It is an arithmetic number, because the mean of its divisors is an integer number (169530661044).

Almost surely, 2^677025357727 is an apocalyptic number.

677025357727 is a deficient number, since it is larger than the sum of its proper divisors (1097286449).

677025357727 is a wasteful number, since it uses less digits than its factorization.

677025357727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097286448.

The product of its (nonzero) digits is 30252600, while the sum is 58.

The spelling of 677025357727 in words is "six hundred seventy-seven billion, twenty-five million, three hundred fifty-seven thousand, seven hundred twenty-seven".