677206756 has 18 divisors (see below), whose sum is σ = 1238882582. Its totient is φ = 323880480.

The previous prime is 677206697. The next prime is 677206771. The reversal of 677206756 is 657602776.

677206756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 373262400 + 303944356 = 19320^2 + 17434^2 .

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157905 + ... + 162136.

Almost surely, 2^677206756 is an apocalyptic number.

It is an amenable number.

677206756 is a deficient number, since it is larger than the sum of its proper divisors (561675826).

677206756 is a wasteful number, since it uses less digits than its factorization.

677206756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320091 (or 320066 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 677206756 is about 26023.1964985088. The cubic root of 677206756 is about 878.1602214162.

The spelling of 677206756 in words is "six hundred seventy-seven million, two hundred six thousand, seven hundred fifty-six".