28031433753 has 8 divisors (see below), whose sum is σ = 37718137600. Its totient is φ = 18516176208.

The previous prime is 28031433733. The next prime is 28031433797. The reversal of 28031433753 is 35733413082.

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

It is not a de Polignac number, because 28031433753 - 2⁸ = 28031433497 is a prime.

It is a super-2 number, since 2×28031433753² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28031433733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42861193 + ... + 42861846.

It is an arithmetic number, because the mean of its divisors is an integer number (4714767200).

Almost surely, 2^28031433753 is an apocalyptic number.

It is an amenable number.

28031433753 is a deficient number, since it is larger than the sum of its proper divisors (9686703847).

28031433753 is a wasteful number, since it uses less digits than its factorization.

28031433753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85723151.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 28031433753 in words is "twenty-eight billion, thirty-one million, four hundred thirty-three thousand, seven hundred fifty-three".