2728135487 has 16 divisors (see below), whose sum is σ = 3447912192. Its totient is φ = 2096694720.

The previous prime is 2728135477. The next prime is 2728135489. The reversal of 2728135487 is 7845318272.

2728135487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2728135487 - 2⁴ = 2728135471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728135489) 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, 237053 + ... + 248294.

It is an arithmetic number, because the mean of its divisors is an integer number (215494512).

Almost surely, 2^2728135487 is an apocalyptic number.

2728135487 is a deficient number, since it is larger than the sum of its proper divisors (719776705).

2728135487 is a wasteful number, since it uses less digits than its factorization.

2728135487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485438.

The product of its digits is 752640, while the sum is 47.

The square root of 2728135487 is about 52231.5564290401. The cubic root of 2728135487 is about 1397.2967371955.

The spelling of 2728135487 in words is "two billion, seven hundred twenty-eight million, one hundred thirty-five thousand, four hundred eighty-seven".