28207112467 has 4 divisors (see below), whose sum is σ = 28969466896. Its totient is φ = 27444758040.

The previous prime is 28207112459. The next prime is 28207112539. The reversal of 28207112467 is 76421170282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76421170282 = 2 ⋅38210585141.

It is a cyclic number.

It is not a de Polignac number, because 28207112467 - 2³ = 28207112459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28207112767) 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, 381177159 + ... + 381177232.

It is an arithmetic number, because the mean of its divisors is an integer number (7242366724).

Almost surely, 2^28207112467 is an apocalyptic number.

28207112467 is a deficient number, since it is larger than the sum of its proper divisors (762354429).

28207112467 is an equidigital number, since it uses as much as digits as its factorization.

28207112467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762354428.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 28207112467 in words is "twenty-eight billion, two hundred seven million, one hundred twelve thousand, four hundred sixty-seven".