2788079616 has 360 divisors, whose sum is σ = 9715665960. Its totient is φ = 796594176.

The previous prime is 2788079597. The next prime is 2788079659. The reversal of 2788079616 is 6169708872.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

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 29 ways as a sum of consecutive naturals, for example, 398297085 + ... + 398297091.

It is an arithmetic number, because the mean of its divisors is an integer number (26987961).

Almost surely, 2^2788079616 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 2788079616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4857832980).

2788079616 is an abundant number, since it is smaller than the sum of its proper divisors (6927586344).

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

2788079616 is an frugal number, since it uses more digits than its factorization.

2788079616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 2788079616 is about 52802.2690421539. The cubic root of 2788079616 is about 1407.4567463443.

The spelling of 2788079616 in words is "two billion, seven hundred eighty-eight million, seventy-nine thousand, six hundred sixteen".