28960211329 has 45 divisors (see below), whose sum is σ = 35553118209. Its totient is φ = 23586532200.

The previous prime is 28960211327. The next prime is 28960211351. The reversal of 28960211329 is 92311206982.

The square root of 28960211329 is 170177.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 28960211329 - 2¹ = 28960211327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28960211327) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 191789404 + ... + 191789554.

Almost surely, 2^28960211329 is an apocalyptic number.

28960211329 is the 170177-th square number.

28960211329 is the 85089-th centered octagonal number.

It is an amenable number.

28960211329 is a deficient number, since it is larger than the sum of its proper divisors (6592906880).

28960211329 is an frugal number, since it uses more digits than its factorization.

28960211329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 28960211329 in words is "twenty-eight billion, nine hundred sixty million, two hundred eleven thousand, three hundred twenty-nine".