4477684145117 has 2 divisors, whose sum is σ = 4477684145118. Its totient is φ = 4477684145116.

The previous prime is 4477684145113. The next prime is 4477684145159. The reversal of 4477684145117 is 7115414867744.

4477684145117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4385983587076 + 91700558041 = 2094274^2 + 302821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4477684145117 - 2² = 4477684145113 is a prime.

It is a super-2 number, since 2×4477684145117² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4477684145111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2238842072558 + 2238842072559.

It is an arithmetic number, because the mean of its divisors is an integer number (2238842072559).

Almost surely, 2^{4477684145117} is an apocalyptic number.

It is an amenable number.

4477684145117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4477684145117 is an equidigital number, since it uses as much as digits as its factorization.

4477684145117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21073920, while the sum is 59.

The spelling of 4477684145117 in words is "four trillion, four hundred seventy-seven billion, six hundred eighty-four million, one hundred forty-five thousand, one hundred seventeen".