28760427533 has 4 divisors (see below), whose sum is σ = 30010880928. Its totient is φ = 27509974140.

The previous prime is 28760427517. The next prime is 28760427539. The reversal of 28760427533 is 33572406782.

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 28760427533 - 2⁴ = 28760427517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28760427539) 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, 625226663 + ... + 625226708.

It is an arithmetic number, because the mean of its divisors is an integer number (7502720232).

Almost surely, 2^28760427533 is an apocalyptic number.

28760427533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28760427533 is a deficient number, since it is larger than the sum of its proper divisors (1250453395).

28760427533 is a wasteful number, since it uses less digits than its factorization.

28760427533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250453394.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 28760427533 in words is "twenty-eight billion, seven hundred sixty million, four hundred twenty-seven thousand, five hundred thirty-three".