6722128851177 has 16 divisors (see below), whose sum is σ = 9252618272768. Its totient is φ = 4336549831440.

The previous prime is 6722128851131. The next prime is 6722128851203. The reversal of 6722128851177 is 7711588212276.

It is not a de Polignac number, because 6722128851177 - 2¹¹ = 6722128849129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722128853177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240063 + ... + 3870660.

It is an arithmetic number, because the mean of its divisors is an integer number (578288642048).

Almost surely, 2^{6722128851177} is an apocalyptic number.

It is an amenable number.

6722128851177 is a deficient number, since it is larger than the sum of its proper divisors (2530489421591).

6722128851177 is a wasteful number, since it uses less digits than its factorization.

6722128851177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124900.

The product of its digits is 5268480, while the sum is 57.

The spelling of 6722128851177 in words is "six trillion, seven hundred twenty-two billion, one hundred twenty-eight million, eight hundred fifty-one thousand, one hundred seventy-seven".