677223568 has 80 divisors (see below), whose sum is σ = 1548650880. Its totient is φ = 280857600.

The previous prime is 677223553. The next prime is 677223581. The reversal of 677223568 is 865322776.

It is a super-2 number, since 2×677223568² = 917263522109301248, which contains 22 as substring.

It is an unprimeable number.

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, 637758 + ... + 638818.

It is an arithmetic number, because the mean of its divisors is an integer number (19358136).

Almost surely, 2^677223568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677223568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774325440).

677223568 is an abundant number, since it is smaller than the sum of its proper divisors (871427312).

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

677223568 is a wasteful number, since it uses less digits than its factorization.

677223568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1250 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 677223568 is about 26023.5195160071. The cubic root of 677223568 is about 878.1674882799.

The spelling of 677223568 in words is "six hundred seventy-seven million, two hundred twenty-three thousand, five hundred sixty-eight".