28392219383 has 32 divisors (see below), whose sum is σ = 32783616000. Its totient is φ = 24336928000.

The previous prime is 28392219379. The next prime is 28392219407. The reversal of 28392219383 is 38391229382.

It is not a de Polignac number, because 28392219383 - 2² = 28392219379 is a prime.

It is a super-2 number, since 2×28392219383² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28392219313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6104843 + ... + 6109491.

It is an arithmetic number, because the mean of its divisors is an integer number (1024488000).

Almost surely, 2^28392219383 is an apocalyptic number.

28392219383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28392219383 is a deficient number, since it is larger than the sum of its proper divisors (4391396617).

28392219383 is a wasteful number, since it uses less digits than its factorization.

28392219383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its digits is 1119744, while the sum is 50.

Subtracting 28392219383 from its reverse (38391229382), we obtain a palindrome (9999009999).

It can be divided in two parts, 2839 and 2219383, that added together give a palindrome (2222222).

The spelling of 28392219383 in words is "twenty-eight billion, three hundred ninety-two million, two hundred nineteen thousand, three hundred eighty-three".