43116635677 has 2 divisors, whose sum is σ = 43116635678. Its totient is φ = 43116635676.

The previous prime is 43116635671. The next prime is 43116635699. The reversal of 43116635677 is 77653661134.

43116635677 is digitally balanced in base 2, 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., 24484112676 + 18632523001 = 156474^2 + 136501^2 .

It is a cyclic number.

It is not a de Polignac number, because 43116635677 - 2¹¹ = 43116633629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43116635677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43116635671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21558317838 + 21558317839.

It is an arithmetic number, because the mean of its divisors is an integer number (21558317839).

Almost surely, 2^43116635677 is an apocalyptic number.

It is an amenable number.

43116635677 is a deficient number, since it is larger than the sum of its proper divisors (1).

43116635677 is an equidigital number, since it uses as much as digits as its factorization.

43116635677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 43116635677 in words is "forty-three billion, one hundred sixteen million, six hundred thirty-five thousand, six hundred seventy-seven".