2728898271 has 12 divisors (see below), whose sum is σ = 4300082280. Its totient is φ = 1653877680.

The previous prime is 2728898251. The next prime is 2728898279. The reversal of 2728898271 is 1728988272.

2728898271 is a `hidden beast` number, since 2 + 7 + 288 + 98 + 271 = 666.

It is not a de Polignac number, because 2728898271 - 2¹⁰ = 2728897247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728898279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13782216 + ... + 13782413.

It is an arithmetic number, because the mean of its divisors is an integer number (358340190).

Almost surely, 2^2728898271 is an apocalyptic number.

2728898271 is a deficient number, since it is larger than the sum of its proper divisors (1571184009).

2728898271 is a wasteful number, since it uses less digits than its factorization.

2728898271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27564646 (or 27564643 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 2728898271 is about 52238.8578646203. The cubic root of 2728898271 is about 1397.4269526582.

Subtracting from 2728898271 its reverse (1728988272), we obtain a palindrome (999909999).

The spelling of 2728898271 in words is "two billion, seven hundred twenty-eight million, eight hundred ninety-eight thousand, two hundred seventy-one".