28000837495 has 4 divisors (see below), whose sum is σ = 33601005000. Its totient is φ = 22400669992.

The previous prime is 28000837493. The next prime is 28000837519. The reversal of 28000837495 is 59473800082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59473800082 = 2 ⋅29736900041.

It is a cyclic number.

It is not a de Polignac number, because 28000837495 - 2¹ = 28000837493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000837493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800083745 + ... + 2800083754.

It is an arithmetic number, because the mean of its divisors is an integer number (8400251250).

Almost surely, 2^28000837495 is an apocalyptic number.

28000837495 is a deficient number, since it is larger than the sum of its proper divisors (5600167505).

28000837495 is an equidigital number, since it uses as much as digits as its factorization.

28000837495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600167504.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 28000837495 in words is "twenty-eight billion, eight hundred thirty-seven thousand, four hundred ninety-five".