28056126463 has 4 divisors (see below), whose sum is σ = 28059029440. Its totient is φ = 28053223488.

The previous prime is 28056126433. The next prime is 28056126479. The reversal of 28056126463 is 36462165082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28056126463 - 2¹³ = 28056118271 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 (28056126433) 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, 1436943 + ... + 1456336.

It is an arithmetic number, because the mean of its divisors is an integer number (7014757360).

Almost surely, 2^28056126463 is an apocalyptic number.

28056126463 is a deficient number, since it is larger than the sum of its proper divisors (2902977).

28056126463 is an equidigital number, since it uses as much as digits as its factorization.

28056126463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902976.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 28056126463 in words is "twenty-eight billion, fifty-six million, one hundred twenty-six thousand, four hundred sixty-three".