28420136383 has 12 divisors (see below), whose sum is σ = 29416600224. Its totient is φ = 27456427200.

The previous prime is 28420136299. The next prime is 28420136411. The reversal of 28420136383 is 38363102482.

It is not a de Polignac number, because 28420136383 - 2¹⁷ = 28420005311 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 (28420136083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544938 + ... + 594808.

It is an arithmetic number, because the mean of its divisors is an integer number (2451383352).

Almost surely, 2^28420136383 is an apocalyptic number.

28420136383 is a deficient number, since it is larger than the sum of its proper divisors (996463841).

28420136383 is an equidigital number, since it uses as much as digits as its factorization.

28420136383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50526 (or 50495 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 28420136383 in words is "twenty-eight billion, four hundred twenty million, one hundred thirty-six thousand, three hundred eighty-three".