677357856 has 96 divisors (see below), whose sum is σ = 2257879680. Its totient is φ = 193529088.

The previous prime is 677357851. The next prime is 677357867. The reversal of 677357856 is 658753776.

677357856 is a `hidden beast` number, since 67 + 7 + 3 + 578 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (677357851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49951 + ... + 62046.

It is an arithmetic number, because the mean of its divisors is an integer number (23519580).

Almost surely, 2^677357856 is an apocalyptic number.

It is an amenable number.

677357856 is an abundant number, since it is smaller than the sum of its proper divisors (1580521824).

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

677357856 is a wasteful number, since it uses less digits than its factorization.

677357856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112023 (or 112009 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The square root of 677357856 is about 26026.0995156785. The cubic root of 677357856 is about 878.2255289661.

The spelling of 677357856 in words is "six hundred seventy-seven million, three hundred fifty-seven thousand, eight hundred fifty-six".