677966946 has 8 divisors (see below), whose sum is σ = 1355933904. Its totient is φ = 225988980.

The previous prime is 677966941. The next prime is 677967071. The reversal of 677966946 is 649669776.

It is a sphenic number, since it is the product of 3 distinct primes.

677966946 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 677966946.

It is not an unprimeable number, because it can be changed into a prime (677966941) 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 3 ways as a sum of consecutive naturals, for example, 56497240 + ... + 56497251.

It is an arithmetic number, because the mean of its divisors is an integer number (169491738).

Almost surely, 2^677966946 is an apocalyptic number.

677966946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

677966946 is a wasteful number, since it uses less digits than its factorization.

677966946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112994496.

The product of its digits is 20575296, while the sum is 60.

The square root of 677966946 is about 26037.7984092358. The cubic root of 677966946 is about 878.4886878106.

The spelling of 677966946 in words is "six hundred seventy-seven million, nine hundred sixty-six thousand, nine hundred forty-six".