682776380 has 96 divisors (see below), whose sum is σ = 1699282368. Its totient is φ = 229067520.

The previous prime is 682776361. The next prime is 682776383. The reversal of 682776380 is 83677286.

682776380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682776383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345074 + ... + 347046.

It is an arithmetic number, because the mean of its divisors is an integer number (17700858).

Almost surely, 2^682776380 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 682776380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849641184).

682776380 is an abundant number, since it is smaller than the sum of its proper divisors (1016505988).

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

682776380 is a wasteful number, since it uses less digits than its factorization.

682776380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 682776380 is about 26129.9900497493. The cubic root of 682776380 is about 880.5611004917.

The spelling of 682776380 in words is "six hundred eighty-two million, seven hundred seventy-six thousand, three hundred eighty".