7722864617 has 8 divisors (see below), whose sum is σ = 8402674056. Its totient is φ = 7055304192.

The previous prime is 7722864607. The next prime is 7722864619. The reversal of 7722864617 is 7164682277.

It can be written as a sum of positive squares in 4 ways, for example, as 2040870976 + 5681993641 = 45176^2 + 75379^2 .

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 7722864617 - 2¹⁴ = 7722848233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7722864619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060938 + ... + 3063459.

It is an arithmetic number, because the mean of its divisors is an integer number (1050334257).

Almost surely, 2^7722864617 is an apocalyptic number.

It is an amenable number.

7722864617 is a deficient number, since it is larger than the sum of its proper divisors (679809439).

7722864617 is a wasteful number, since it uses less digits than its factorization.

7722864617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124507.

The product of its digits is 1580544, while the sum is 50.

The square root of 7722864617 is about 87879.8305471739. The cubic root of 7722864617 is about 1976.6334500923.

The spelling of 7722864617 in words is "seven billion, seven hundred twenty-two million, eight hundred sixty-four thousand, six hundred seventeen".