28127040514 has 8 divisors (see below), whose sum is σ = 42238671228. Its totient is φ = 14047483440.

The previous prime is 28127040509. The next prime is 28127040517. The reversal of 28127040514 is 41504072182.

It can be written as a sum of positive squares in 2 ways, for example, as 27753894025 + 373146489 = 166595^2 + 19317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28127040514² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28127040514.

It is not an unprimeable number, because it can be changed into a prime (28127040517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8016217 + ... + 8019724.

Almost surely, 2^28127040514 is an apocalyptic number.

28127040514 is a deficient number, since it is larger than the sum of its proper divisors (14111630714).

28127040514 is a wasteful number, since it uses less digits than its factorization.

28127040514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16036820.

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 28127040514 in words is "twenty-eight billion, one hundred twenty-seven million, forty thousand, five hundred fourteen".