677966625 has 64 divisors (see below), whose sum is σ = 1432604160. Its totient is φ = 309916800.

The previous prime is 677966623. The next prime is 677966629. The reversal of 677966625 is 526669776.

It is not a de Polignac number, because 677966625 - 2¹ = 677966623 is a prime.

It is a super-2 number, since 2×677966625² = 919277489227781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677966623) 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 63 ways as a sum of consecutive naturals, for example, 9277 + ... + 37973.

It is an arithmetic number, because the mean of its divisors is an integer number (22384440).

Almost surely, 2^677966625 is an apocalyptic number.

It is an amenable number.

677966625 is an abundant number, since it is smaller than the sum of its proper divisors (754637535).

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

677966625 is a wasteful number, since it uses less digits than its factorization.

677966625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728 (or 28712 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 677966625 is about 26037.7922451194. The cubic root of 677966625 is about 878.4885491633.

The spelling of 677966625 in words is "six hundred seventy-seven million, nine hundred sixty-six thousand, six hundred twenty-five".