7776130752 has 504 divisors, whose sum is σ = 26452348416. Its totient is φ = 2173796352.

The previous prime is 7776130727. The next prime is 7776130783. The reversal of 7776130752 is 2570316777.

It is a junction number, because it is equal to n+sod(n) for n = 7776130698 and 7776130707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61229313 + ... + 61229439.

Almost surely, 2^7776130752 is an apocalyptic number.

7776130752 is a gapful number since it is divisible by the number (72) 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 7776130752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13226174208).

7776130752 is an abundant number, since it is smaller than the sum of its proper divisors (18676217664).

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

7776130752 is a wasteful number, since it uses less digits than its factorization.

7776130752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The square root of 7776130752 is about 88182.3721159734. The cubic root of 7776130752 is about 1981.1674535336.

The spelling of 7776130752 in words is "seven billion, seven hundred seventy-six million, one hundred thirty thousand, seven hundred fifty-two".