28112650753 has 4 divisors (see below), whose sum is σ = 30668346288. Its totient is φ = 25556955220.

The previous prime is 28112650751. The next prime is 28112650757. The reversal of 28112650753 is 35705621182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28112650753 - 2¹ = 28112650751 is a prime.

It is a super-3 number, since 3×28112650753³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28112650751) 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, 1277847751 + ... + 1277847772.

It is an arithmetic number, because the mean of its divisors is an integer number (7667086572).

Almost surely, 2^28112650753 is an apocalyptic number.

It is an amenable number.

28112650753 is a deficient number, since it is larger than the sum of its proper divisors (2555695535).

28112650753 is a wasteful number, since it uses less digits than its factorization.

28112650753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555695534.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 28112650753 in words is "twenty-eight billion, one hundred twelve million, six hundred fifty thousand, seven hundred fifty-three".