3128429277 has 16 divisors (see below), whose sum is σ = 4690553280. Its totient is φ = 2060490096.

The previous prime is 3128429243. The next prime is 3128429281. The reversal of 3128429277 is 7729248213.

It is not a de Polignac number, because 3128429277 - 2¹⁶ = 3128363741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128429207) 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 15 ways as a sum of consecutive naturals, for example, 695758 + ... + 700239.

It is an arithmetic number, because the mean of its divisors is an integer number (293159580).

Almost surely, 2^3128429277 is an apocalyptic number.

It is an amenable number.

3128429277 is a deficient number, since it is larger than the sum of its proper divisors (1562124003).

3128429277 is a wasteful number, since it uses less digits than its factorization.

3128429277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396089 (or 1396083 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 3128429277 is about 55932.3634133227. The cubic root of 3128429277 is about 1462.5434611674.

The spelling of 3128429277 in words is "three billion, one hundred twenty-eight million, four hundred twenty-nine thousand, two hundred seventy-seven".