7788630720 has 112 divisors (see below), whose sum is σ = 26631168480. Its totient is φ = 1917198336.

The previous prime is 7788630701. The next prime is 7788630791. The reversal of 7788630720 is 270368877.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7788630720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299565 + ... + 324524.

It is an arithmetic number, because the mean of its divisors is an integer number (237778290).

Almost surely, 2^7788630720 is an apocalyptic number.

It is an amenable number.

7788630720 is an abundant number, since it is smaller than the sum of its proper divisors (18842537760).

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

7788630720 is a wasteful number, since it uses less digits than its factorization.

7788630720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624122 (or 624112 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 7788630720 is about 88253.2193180509. The cubic root of 7788630720 is about 1982.2284470152.

The spelling of 7788630720 in words is "seven billion, seven hundred eighty-eight million, six hundred thirty thousand, seven hundred twenty".