28963223287 has 8 divisors (see below), whose sum is σ = 30789462960. Its totient is φ = 27167169600.

The previous prime is 28963223269. The next prime is 28963223351. The reversal of 28963223287 is 78232236982.

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 28963223287 - 2¹¹ = 28963221239 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 (28963223257) 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, 7544518 + ... + 7548355.

It is an arithmetic number, because the mean of its divisors is an integer number (3848682870).

Almost surely, 2^28963223287 is an apocalyptic number.

28963223287 is a deficient number, since it is larger than the sum of its proper divisors (1826239673).

28963223287 is a wasteful number, since it uses less digits than its factorization.

28963223287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15092993.

The product of its digits is 3483648, while the sum is 52.

The spelling of 28963223287 in words is "twenty-eight billion, nine hundred sixty-three million, two hundred twenty-three thousand, two hundred eighty-seven".