682778880 has 216 divisors, whose sum is σ = 2700140352. Its totient is φ = 156045312.

The previous prime is 682778827. The next prime is 682778881. The reversal of 682778880 is 88877286.

It is not an unprimeable number, because it can be changed into a prime (682778881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76407 + ... + 84873.

Almost surely, 2^682778880 is an apocalyptic number.

682778880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682778880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350070176).

682778880 is an abundant number, since it is smaller than the sum of its proper divisors (2017361472).

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

682778880 is a wasteful number, since it uses less digits than its factorization.

682778880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501 (or 8484 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The square root of 682778880 is about 26130.0378874582. The cubic root of 682778880 is about 880.5621752213.

The spelling of 682778880 in words is "six hundred eighty-two million, seven hundred seventy-eight thousand, eight hundred eighty".