677256172413 has 4 divisors (see below), whose sum is σ = 903008229888. Its totient is φ = 451504114940.

The previous prime is 677256172403. The next prime is 677256172507. The reversal of 677256172413 is 314271652776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677256172413 - 2⁵ = 677256172381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677256172403) 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, 112876028733 + ... + 112876028738.

It is an arithmetic number, because the mean of its divisors is an integer number (225752057472).

Almost surely, 2^677256172413 is an apocalyptic number.

It is an amenable number.

677256172413 is a deficient number, since it is larger than the sum of its proper divisors (225752057475).

677256172413 is a wasteful number, since it uses less digits than its factorization.

677256172413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225752057474.

The product of its digits is 2963520, while the sum is 51.

The spelling of 677256172413 in words is "six hundred seventy-seven billion, two hundred fifty-six million, one hundred seventy-two thousand, four hundred thirteen".