28771374273 has 4 divisors (see below), whose sum is σ = 38361832368. Its totient is φ = 19180916180.

The previous prime is 28771374259. The next prime is 28771374287. The reversal of 28771374273 is 37247317782.

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 an interprime number because it is at equal distance from previous prime (28771374259) and next prime (28771374287).

It is a cyclic number.

It is not a de Polignac number, because 28771374273 - 2¹⁰ = 28771373249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28771374773) 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, 4795229043 + ... + 4795229048.

It is an arithmetic number, because the mean of its divisors is an integer number (9590458092).

Almost surely, 2^28771374273 is an apocalyptic number.

It is an amenable number.

28771374273 is a deficient number, since it is larger than the sum of its proper divisors (9590458095).

28771374273 is an equidigital number, since it uses as much as digits as its factorization.

28771374273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590458094.

The product of its digits is 2765952, while the sum is 51.

The spelling of 28771374273 in words is "twenty-eight billion, seven hundred seventy-one million, three hundred seventy-four thousand, two hundred seventy-three".