7798800000 has 384 divisors, whose sum is σ = 26550175680. Its totient is φ = 2027520000.

The previous prime is 7798799993. The next prime is 7798800001. The reversal of 7798800000 is 88977.

It is a tau number, because it is divible by the number of its divisors (384).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7798800001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80399952 + ... + 80400048.

Almost surely, 2^7798800000 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 7798800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13275087840).

7798800000 is an abundant number, since it is smaller than the sum of its proper divisors (18751375680).

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

7798800000 is an frugal number, since it uses more digits than its factorization.

7798800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 7798800000 is about 88310.8147397588. The cubic root of 7798800000 is about 1983.0907752862.

Adding to 7798800000 its reverse (88977), we get a palindrome (7798888977).

The spelling of 7798800000 in words is "seven billion, seven hundred ninety-eight million, eight hundred thousand".