2783379456 has 408 divisors, whose sum is σ = 9762168080. Its totient is φ = 778567680.

The previous prime is 2783379439. The next prime is 2783379497. The reversal of 2783379456 is 6549733872.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214106106 + ... + 214106118.

Almost surely, 2^2783379456 is an apocalyptic number.

2783379456 is a gapful number since it is divisible by the number (26) 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 2783379456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4881084040).

2783379456 is an abundant number, since it is smaller than the sum of its proper divisors (6978788624).

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

2783379456 is an equidigital number, since it uses as much as digits as its factorization.

2783379456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 29 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 2783379456 is about 52757.7430904697. The cubic root of 2783379456 is about 1406.6654020438.

The spelling of 2783379456 in words is "two billion, seven hundred eighty-three million, three hundred seventy-nine thousand, four hundred fifty-six".