28736187463 has 8 divisors (see below), whose sum is σ = 28875772800. Its totient is φ = 28596817920.

The previous prime is 28736187451. The next prime is 28736187497. The reversal of 28736187463 is 36478163782.

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 28736187463 - 2²⁵ = 28702633031 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 (28736187163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216298 + ... + 322888.

It is an arithmetic number, because the mean of its divisors is an integer number (3609471600).

Almost surely, 2^28736187463 is an apocalyptic number.

28736187463 is a deficient number, since it is larger than the sum of its proper divisors (139585337).

28736187463 is a wasteful number, since it uses less digits than its factorization.

28736187463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107897.

The product of its digits is 8128512, while the sum is 55.

The spelling of 28736187463 in words is "twenty-eight billion, seven hundred thirty-six million, one hundred eighty-seven thousand, four hundred sixty-three".