677363654871 has 16 divisors (see below), whose sum is σ = 1019952561120. Its totient is φ = 444172887360.

The previous prime is 677363654827. The next prime is 677363654951. The reversal of 677363654871 is 178456363776.

It is a happy number.

677363654871 is a `hidden beast` number, since 67 + 7 + 36 + 3 + 65 + 487 + 1 = 666.

It is not a de Polignac number, because 677363654871 - 2⁷ = 677363654743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677363654799 and 677363654808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677363654371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205633950 + ... + 205637243.

It is an arithmetic number, because the mean of its divisors is an integer number (63747035070).

Almost surely, 2^677363654871 is an apocalyptic number.

677363654871 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

677363654871 is a deficient number, since it is larger than the sum of its proper divisors (342588906249).

677363654871 is a wasteful number, since it uses less digits than its factorization.

677363654871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411271263 (or 411271257 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 677363654871 in words is "six hundred seventy-seven billion, three hundred sixty-three million, six hundred fifty-four thousand, eight hundred seventy-one".