28004849324279 has 4 divisors (see below), whose sum is σ = 28011661502880. Its totient is φ = 27998037145680.

The previous prime is 28004849324233. The next prime is 28004849324303. The reversal of 28004849324279 is 97242394840082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28004849324279 - 2²⁴ = 28004832547063 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 (28004849524279) 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, 3406083134 + ... + 3406091355.

It is an arithmetic number, because the mean of its divisors is an integer number (7002915375720).

Almost surely, 2^{28004849324279} is an apocalyptic number.

28004849324279 is a deficient number, since it is larger than the sum of its proper divisors (6812178601).

28004849324279 is an equidigital number, since it uses as much as digits as its factorization.

28004849324279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812178600.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 28004849324279 in words is "twenty-eight trillion, four billion, eight hundred forty-nine million, three hundred twenty-four thousand, two hundred seventy-nine".