677248444842775 has 48 divisors (see below), whose sum is σ = 968121842486400. Its totient is φ = 465769217727360.

The previous prime is 677248444842757. The next prime is 677248444842803. The reversal of 677248444842775 is 577248444842776.

It is not a de Polignac number, because 677248444842775 - 2⁷ = 677248444842647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677248444842695 and 677248444842704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 929092129 + ... + 929820778.

It is an arithmetic number, because the mean of its divisors is an integer number (20169205051800).

Almost surely, 2^{677248444842775} is an apocalyptic number.

677248444842775 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

677248444842775 is a deficient number, since it is larger than the sum of its proper divisors (290873397643625).

677248444842775 is a wasteful number, since it uses less digits than its factorization.

677248444842775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858913008 (or 1858913003 counting only the distinct ones).

The product of its digits is 18882232320, while the sum is 79.

Subtracting from 677248444842775 its reverse (577248444842776), we obtain a palindrome (99999999999999).

The spelling of 677248444842775 in words is "six hundred seventy-seven trillion, two hundred forty-eight billion, four hundred forty-four million, eight hundred forty-two thousand, seven hundred seventy-five".