7760080645 has 4 divisors (see below), whose sum is σ = 9312096780. Its totient is φ = 6208064512.

The previous prime is 7760080609. The next prime is 7760080649. The reversal of 7760080645 is 5460800677.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5460800677 = 7487 ⋅729371.

It can be written as a sum of positive squares in 2 ways, for example, as 2559651649 + 5200428996 = 50593^2 + 72114^2 .

It is a cyclic number.

It is not a de Polignac number, because 7760080645 - 2¹⁵ = 7760047877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7760080649) 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 3 ways as a sum of consecutive naturals, for example, 776008060 + ... + 776008069.

It is an arithmetic number, because the mean of its divisors is an integer number (2328024195).

Almost surely, 2^7760080645 is an apocalyptic number.

It is an amenable number.

7760080645 is a deficient number, since it is larger than the sum of its proper divisors (1552016135).

7760080645 is a wasteful number, since it uses less digits than its factorization.

7760080645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552016134.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 7760080645 is about 88091.3199185936. The cubic root of 7760080645 is about 1979.8034567518.

The spelling of 7760080645 in words is "seven billion, seven hundred sixty million, eighty thousand, six hundred forty-five".