28135021753 has 16 divisors (see below), whose sum is σ = 28595881600. Its totient is φ = 27678360960.

The previous prime is 28135021721. The next prime is 28135021793. The reversal of 28135021753 is 35712053182.

It is a cyclic number.

It is not a de Polignac number, because 28135021753 - 2⁵ = 28135021721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28135021703) 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, 13467133 + ... + 13469221.

It is an arithmetic number, because the mean of its divisors is an integer number (1787242600).

Almost surely, 2^28135021753 is an apocalyptic number.

It is an amenable number.

28135021753 is a deficient number, since it is larger than the sum of its proper divisors (460859847).

28135021753 is a wasteful number, since it uses less digits than its factorization.

28135021753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 28135021753 in words is "twenty-eight billion, one hundred thirty-five million, twenty-one thousand, seven hundred fifty-three".