677562403673 has 4 divisors (see below), whose sum is σ = 686139143040. Its totient is φ = 668985664308.

The previous prime is 677562403663. The next prime is 677562403697. The reversal of 677562403673 is 376304265776.

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 677562403673 - 2⁸ = 677562403417 is a prime.

It is a super-2 number, since 2×677562403673² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677562403633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288369565 + ... + 4288369722.

It is an arithmetic number, because the mean of its divisors is an integer number (171534785760).

Almost surely, 2^677562403673 is an apocalyptic number.

It is an amenable number.

677562403673 is a deficient number, since it is larger than the sum of its proper divisors (8576739367).

677562403673 is an equidigital number, since it uses as much as digits as its factorization.

677562403673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8576739366.

The product of its (nonzero) digits is 26671680, while the sum is 56.

The spelling of 677562403673 in words is "six hundred seventy-seven billion, five hundred sixty-two million, four hundred three thousand, six hundred seventy-three".