7208816868771 has 16 divisors (see below), whose sum is σ = 10985429981184. Its totient is φ = 4119111607104.

The previous prime is 7208816868761. The next prime is 7208816868791. The reversal of 7208816868771 is 1778686188027.

7208816868771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7208816868771 - 2³³ = 7200226934179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7208816868696 and 7208816868705.

It is not an unprimeable number, because it can be changed into a prime (7208816868761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8428986 + ... + 9244751.

It is an arithmetic number, because the mean of its divisors is an integer number (686589373824).

Almost surely, 2^{7208816868771} is an apocalyptic number.

7208816868771 is a deficient number, since it is larger than the sum of its proper divisors (3776613112413).

7208816868771 is a wasteful number, since it uses less digits than its factorization.

7208816868771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693170.

The product of its (nonzero) digits is 101154816, while the sum is 69.

The spelling of 7208816868771 in words is "seven trillion, two hundred eight billion, eight hundred sixteen million, eight hundred sixty-eight thousand, seven hundred seventy-one".