28774564753 has 4 divisors (see below), whose sum is σ = 31390434288. Its totient is φ = 26158695220.

The previous prime is 28774564739. The next prime is 28774564757. The reversal of 28774564753 is 35746547782.

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 28774564753 - 2⁹ = 28774564241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28774564757) 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, 1307934751 + ... + 1307934772.

It is an arithmetic number, because the mean of its divisors is an integer number (7847608572).

Almost surely, 2^28774564753 is an apocalyptic number.

It is an amenable number.

28774564753 is a deficient number, since it is larger than the sum of its proper divisors (2615869535).

28774564753 is a wasteful number, since it uses less digits than its factorization.

28774564753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615869534.

The product of its digits is 39513600, while the sum is 58.

The spelling of 28774564753 in words is "twenty-eight billion, seven hundred seventy-four million, five hundred sixty-four thousand, seven hundred fifty-three".