28487378483 has 4 divisors (see below), whose sum is σ = 29406326208. Its totient is φ = 27568430760.

The previous prime is 28487378467. The next prime is 28487378489. The reversal of 28487378483 is 38487378482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28487378483 - 2⁴ = 28487378467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28487378489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459473816 + ... + 459473877.

It is an arithmetic number, because the mean of its divisors is an integer number (7351581552).

Almost surely, 2^28487378483 is an apocalyptic number.

28487378483 is a deficient number, since it is larger than the sum of its proper divisors (918947725).

28487378483 is an equidigital number, since it uses as much as digits as its factorization.

28487378483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918947724.

The product of its digits is 57802752, while the sum is 62.

Subtracting 28487378483 from its reverse (38487378482), we obtain a palindrome (9999999999).

The spelling of 28487378483 in words is "twenty-eight billion, four hundred eighty-seven million, three hundred seventy-eight thousand, four hundred eighty-three".