6823743780 has 48 divisors (see below), whose sum is σ = 21835981440. Its totient is φ = 1559712768.

The previous prime is 6823743763. The next prime is 6823743791. The reversal of 6823743780 is 873473286.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8123085 + ... + 8123924.

It is an arithmetic number, because the mean of its divisors is an integer number (454916280).

Almost surely, 2^6823743780 is an apocalyptic number.

6823743780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6823743780 is an abundant number, since it is smaller than the sum of its proper divisors (15012237660).

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

6823743780 is a wasteful number, since it uses less digits than its factorization.

6823743780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16247028 (or 16247026 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 6823743780 is about 82605.9548700940. The cubic root of 6823743780 is about 1896.7389842663.

The spelling of 6823743780 in words is "six billion, eight hundred twenty-three million, seven hundred forty-three thousand, seven hundred eighty".