28383078383 has 4 divisors (see below), whose sum is σ = 30963358248. Its totient is φ = 25802798520.

The previous prime is 28383078379. The next prime is 28383078461. The reversal of 28383078383 is 38387038382.

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 28383078383 - 2² = 28383078379 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 (28383078083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290139916 + ... + 1290139937.

It is an arithmetic number, because the mean of its divisors is an integer number (7740839562).

Almost surely, 2^28383078383 is an apocalyptic number.

28383078383 is a deficient number, since it is larger than the sum of its proper divisors (2580279865).

28383078383 is a wasteful number, since it uses less digits than its factorization.

28383078383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580279864.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 28383078383 in words is "twenty-eight billion, three hundred eighty-three million, seventy-eight thousand, three hundred eighty-three".