28653246859 has 8 divisors (see below), whose sum is σ = 28888289280. Its totient is φ = 28418351976.

The previous prime is 28653246857. The next prime is 28653246877. The reversal of 28653246859 is 95864235682.

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

It is a cyclic number.

It is not a de Polignac number, because 28653246859 - 2¹ = 28653246857 is a prime.

It is a super-3 number, since 3×28653246859³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28653246857) 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, 371562 + ... + 442000.

It is an arithmetic number, because the mean of its divisors is an integer number (3611036160).

Almost surely, 2^28653246859 is an apocalyptic number.

28653246859 is a deficient number, since it is larger than the sum of its proper divisors (235042421).

28653246859 is a wasteful number, since it uses less digits than its factorization.

28653246859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73769.

The product of its digits is 24883200, while the sum is 58.

The spelling of 28653246859 in words is "twenty-eight billion, six hundred fifty-three million, two hundred forty-six thousand, eight hundred fifty-nine".