7720268611 has 8 divisors (see below), whose sum is σ = 8712529200. Its totient is φ = 6776411040.

The previous prime is 7720268597. The next prime is 7720268617. The reversal of 7720268611 is 1168620277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7720268611 - 2⁵ = 7720268579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7720268617) 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 7 ways as a sum of consecutive naturals, for example, 12100416 + ... + 12101053.

It is an arithmetic number, because the mean of its divisors is an integer number (1089066150).

Almost surely, 2^7720268611 is an apocalyptic number.

7720268611 is a deficient number, since it is larger than the sum of its proper divisors (992260589).

7720268611 is a wasteful number, since it uses less digits than its factorization.

7720268611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24201509.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 7720268611 is about 87865.0591020116. The cubic root of 7720268611 is about 1976.4119464742.

Adding to 7720268611 its reverse (1168620277), we get a palindrome (8888888888).

The spelling of 7720268611 in words is "seven billion, seven hundred twenty million, two hundred sixty-eight thousand, six hundred eleven".