28874179453 has 4 divisors (see below), whose sum is σ = 32999062240. Its totient is φ = 24749296668.

The previous prime is 28874179427. The next prime is 28874179457. The reversal of 28874179453 is 35497147882.

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 28874179453 - 2⁹ = 28874178941 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 (28874179457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062441383 + ... + 2062441396.

It is an arithmetic number, because the mean of its divisors is an integer number (8249765560).

Almost surely, 2^28874179453 is an apocalyptic number.

It is an amenable number.

28874179453 is a deficient number, since it is larger than the sum of its proper divisors (4124882787).

28874179453 is an equidigital number, since it uses as much as digits as its factorization.

28874179453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124882786.

The product of its digits is 13547520, while the sum is 58.

The spelling of 28874179453 in words is "twenty-eight billion, eight hundred seventy-four million, one hundred seventy-nine thousand, four hundred fifty-three".