28013585763 has 4 divisors (see below), whose sum is σ = 37351447688. Its totient is φ = 18675723840.

The previous prime is 28013585759. The next prime is 28013585797. The reversal of 28013585763 is 36758531082.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28013585763 - 2² = 28013585759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28013585753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4668930958 + ... + 4668930963.

It is an arithmetic number, because the mean of its divisors is an integer number (9337861922).

Almost surely, 2^28013585763 is an apocalyptic number.

28013585763 is a deficient number, since it is larger than the sum of its proper divisors (9337861925).

28013585763 is an equidigital number, since it uses as much as digits as its factorization.

28013585763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337861924.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 28013585763 in words is "twenty-eight billion, thirteen million, five hundred eighty-five thousand, seven hundred sixty-three".