28273834392377 has 4 divisors (see below), whose sum is σ = 32312953591296. Its totient is φ = 24234715193460.

The previous prime is 28273834392343. The next prime is 28273834392379. The reversal of 28273834392377 is 77329343837282.

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 28273834392377 - 2¹⁰ = 28273834391353 is a prime.

It is a super-3 number, since 3×28273834392377³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (28273834392379) 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, 2019559599449 + ... + 2019559599462.

It is an arithmetic number, because the mean of its divisors is an integer number (8078238397824).

Almost surely, 2^{28273834392377} is an apocalyptic number.

It is an amenable number.

28273834392377 is a deficient number, since it is larger than the sum of its proper divisors (4039119198919).

28273834392377 is an equidigital number, since it uses as much as digits as its factorization.

28273834392377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039119198918.

The product of its digits is 512096256, while the sum is 68.

The spelling of 28273834392377 in words is "twenty-eight trillion, two hundred seventy-three billion, eight hundred thirty-four million, three hundred ninety-two thousand, three hundred seventy-seven".