677653396056 has 192 divisors, whose sum is σ = 2358135007200. Its totient is φ = 178721738496.

The previous prime is 677653396037. The next prime is 677653396067. The reversal of 677653396056 is 650693356776.

It is a happy number.

677653396056 is a `hidden beast` number, since 6 + 7 + 7 + 6 + 533 + 96 + 0 + 5 + 6 = 666.

677653396056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 677653395984 and 677653396002.

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, 2324955 + ... + 2600138.

Almost surely, 2^677653396056 is an apocalyptic number.

It is an amenable number.

677653396056 is an abundant number, since it is smaller than the sum of its proper divisors (1680481611144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677653396056 is a wasteful number, since it uses less digits than its factorization.

677653396056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925135 (or 4925118 counting only the distinct ones).

The product of its (nonzero) digits is 128595600, while the sum is 63.

The spelling of 677653396056 in words is "six hundred seventy-seven billion, six hundred fifty-three million, three hundred ninety-six thousand, fifty-six".