7720776060 has 96 divisors (see below), whose sum is σ = 22090682880. Its totient is φ = 2014102272.

The previous prime is 7720776059. The next prime is 7720776067. The reversal of 7720776060 is 606770277.

It is a super-2 number, since 2×7720776060² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7720776067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138239 + ... + 1145001.

It is an arithmetic number, because the mean of its divisors is an integer number (230111280).

Almost surely, 2^7720776060 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 7720776060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11045341440).

7720776060 is an abundant number, since it is smaller than the sum of its proper divisors (14369906820).

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

7720776060 is a wasteful number, since it uses less digits than its factorization.

7720776060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187 (or 7185 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 7720776060 is about 87867.9467155117. The cubic root of 7720776060 is about 1976.4552483480.

The spelling of 7720776060 in words is "seven billion, seven hundred twenty million, seven hundred seventy-six thousand, sixty".