28297119783 has 4 divisors (see below), whose sum is σ = 37729493048. Its totient is φ = 18864746520.

The previous prime is 28297119751. The next prime is 28297119787. The reversal of 28297119783 is 38791179282.

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

It is not a de Polignac number, because 28297119783 - 2⁵ = 28297119751 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 (28297119787) 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 3 ways as a sum of consecutive naturals, for example, 4716186628 + ... + 4716186633.

It is an arithmetic number, because the mean of its divisors is an integer number (9432373262).

Almost surely, 2^28297119783 is an apocalyptic number.

28297119783 is a deficient number, since it is larger than the sum of its proper divisors (9432373265).

28297119783 is an equidigital number, since it uses as much as digits as its factorization.

28297119783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9432373264.

The product of its digits is 3048192, while the sum is 57.

The spelling of 28297119783 in words is "twenty-eight billion, two hundred ninety-seven million, one hundred nineteen thousand, seven hundred eighty-three".