677317358655 has 96 divisors (see below), whose sum is σ = 1346415243264. Its totient is φ = 308552364288.

The previous prime is 677317358651. The next prime is 677317358659. The reversal of 677317358655 is 556853713776.

It is an interprime number because it is at equal distance from previous prime (677317358651) and next prime (677317358659).

It is not a de Polignac number, because 677317358655 - 2² = 677317358651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 677317358592 and 677317358601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677317358651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119940042 + ... + 119945688.

It is an arithmetic number, because the mean of its divisors is an integer number (14025158784).

Almost surely, 2^677317358655 is an apocalyptic number.

677317358655 is a deficient number, since it is larger than the sum of its proper divisors (669097884609).

677317358655 is a wasteful number, since it uses less digits than its factorization.

677317358655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925 (or 6922 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 63.

The spelling of 677317358655 in words is "six hundred seventy-seven billion, three hundred seventeen million, three hundred fifty-eight thousand, six hundred fifty-five".