7768080869 has 4 divisors (see below), whose sum is σ = 7768434444. Its totient is φ = 7767727296.

The previous prime is 7768080851. The next prime is 7768080871. The reversal of 7768080869 is 9680808677.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9680808677 = 59 ⋅164081503.

It can be written as a sum of positive squares in 2 ways, for example, as 3039868225 + 4728212644 = 55135^2 + 68762^2 .

It is a cyclic number.

It is not a de Polignac number, because 7768080869 - 2²⁴ = 7751303653 is a prime.

It is a super-2 number, since 2×7768080869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768080889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141482 + ... + 188555.

It is an arithmetic number, because the mean of its divisors is an integer number (1942108611).

Almost surely, 2^7768080869 is an apocalyptic number.

It is an amenable number.

7768080869 is a deficient number, since it is larger than the sum of its proper divisors (353575).

7768080869 is a wasteful number, since it uses less digits than its factorization.

7768080869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353574.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The square root of 7768080869 is about 88136.7169175254. The cubic root of 7768080869 is about 1980.4835798916.

The spelling of 7768080869 in words is "seven billion, seven hundred sixty-eight million, eighty thousand, eight hundred sixty-nine".