28727753065 has 16 divisors (see below), whose sum is σ = 37650185280. Its totient is φ = 20869053120.

The previous prime is 28727753063. The next prime is 28727753069. The reversal of 28727753065 is 56035772782.

It is not a de Polignac number, because 28727753065 - 2¹ = 28727753063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28727753063) 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, 249555 + ... + 346024.

It is an arithmetic number, because the mean of its divisors is an integer number (2353136580).

Almost surely, 2^28727753065 is an apocalyptic number.

It is an amenable number.

28727753065 is a deficient number, since it is larger than the sum of its proper divisors (8922432215).

28727753065 is a wasteful number, since it uses less digits than its factorization.

28727753065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596472.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 28727753065 in words is "twenty-eight billion, seven hundred twenty-seven million, seven hundred fifty-three thousand, sixty-five".