28844946504877 has 8 divisors (see below), whose sum is σ = 28969136534520. Its totient is φ = 28720759825920.

The previous prime is 28844946504811. The next prime is 28844946504893. The reversal of 28844946504877 is 77840564944882.

It can be written as a sum of positive squares in 4 ways, for example, as 249286509796 + 28595659995081 = 499286^2 + 5347491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28844946504877 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 (28844943504877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17256127 + ... + 18853747.

It is an arithmetic number, because the mean of its divisors is an integer number (3621142066815).

Almost surely, 2^{28844946504877} is an apocalyptic number.

It is an amenable number.

28844946504877 is a deficient number, since it is larger than the sum of its proper divisors (124190029643).

28844946504877 is a wasteful number, since it uses less digits than its factorization.

28844946504877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675343.

The product of its (nonzero) digits is 3468165120, while the sum is 76.

The spelling of 28844946504877 in words is "twenty-eight trillion, eight hundred forty-four billion, nine hundred forty-six million, five hundred four thousand, eight hundred seventy-seven".