28468726385 has 8 divisors (see below), whose sum is σ = 37268150976. Its totient is φ = 20704528240.

The previous prime is 28468726381. The next prime is 28468726387. The reversal of 28468726385 is 58362786482.

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

It is not a de Polignac number, because 28468726385 - 2² = 28468726381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28468726381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258806549 + ... + 258806658.

It is an arithmetic number, because the mean of its divisors is an integer number (4658518872).

Almost surely, 2^28468726385 is an apocalyptic number.

It is an amenable number.

28468726385 is a deficient number, since it is larger than the sum of its proper divisors (8799424591).

28468726385 is a wasteful number, since it uses less digits than its factorization.

28468726385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517613223.

The product of its digits is 30965760, while the sum is 59.

The spelling of 28468726385 in words is "twenty-eight billion, four hundred sixty-eight million, seven hundred twenty-six thousand, three hundred eighty-five".