6786920448 has 416 divisors, whose sum is σ = 25099845120. Its totient is φ = 1760624640.

The previous prime is 6786920429. The next prime is 6786920453. The reversal of 6786920448 is 8440296876.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6786920394 and 6786920403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8515186 + ... + 8515982.

Almost surely, 2^6786920448 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 6786920448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12549922560).

6786920448 is an abundant number, since it is smaller than the sum of its proper divisors (18312924672).

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

6786920448 is a wasteful number, since it uses less digits than its factorization.

6786920448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 6786920448 is about 82382.7679068869. The cubic root of 6786920448 is about 1893.3210041296.

The spelling of 6786920448 in words is "six billion, seven hundred eighty-six million, nine hundred twenty thousand, four hundred forty-eight".