128877682183 has 2 divisors, whose sum is σ = 128877682184. Its totient is φ = 128877682182.

The previous prime is 128877682169. The next prime is 128877682189. The reversal of 128877682183 is 381286778821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128877682183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128877682189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64438841091 + 64438841092.

It is an arithmetic number, because the mean of its divisors is an integer number (64438841092).

Almost surely, 2^128877682183 is an apocalyptic number.

128877682183 is a deficient number, since it is larger than the sum of its proper divisors (1).

128877682183 is an equidigital number, since it uses as much as digits as its factorization.

128877682183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14450688, while the sum is 61.

The spelling of 128877682183 in words is "one hundred twenty-eight billion, eight hundred seventy-seven million, six hundred eighty-two thousand, one hundred eighty-three".