28026122847 has 8 divisors (see below), whose sum is σ = 37925897856. Its totient is φ = 18405214872.

The previous prime is 28026122833. The next prime is 28026122867. The reversal of 28026122847 is 74822162082.

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

It is not a de Polignac number, because 28026122847 - 2³² = 23731155551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28026122799 and 28026122808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026122807) 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, 69716523 + ... + 69716924.

It is an arithmetic number, because the mean of its divisors is an integer number (4740737232).

Almost surely, 2^28026122847 is an apocalyptic number.

28026122847 is a deficient number, since it is larger than the sum of its proper divisors (9899775009).

28026122847 is a wasteful number, since it uses less digits than its factorization.

28026122847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139433517.

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 28026122847 in words is "twenty-eight billion, twenty-six million, one hundred twenty-two thousand, eight hundred forty-seven".