677628224 has 56 divisors (see below), whose sum is σ = 1654990848. Its totient is φ = 268070400.

The previous prime is 677628131. The next prime is 677628229. The reversal of 677628224 is 422826776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×677628224² = 918360019922788352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677628229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52352 + ... + 63999.

It is an arithmetic number, because the mean of its divisors is an integer number (29553408).

Almost surely, 2^677628224 is an apocalyptic number.

677628224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

677628224 is an abundant number, since it is smaller than the sum of its proper divisors (977362624).

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

677628224 is a wasteful number, since it uses less digits than its factorization.

677628224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116383 (or 116373 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 677628224 is about 26031.2931680314. The cubic root of 677628224 is about 878.3423615939.

The spelling of 677628224 in words is "six hundred seventy-seven million, six hundred twenty-eight thousand, two hundred twenty-four".