28407880383 has 16 divisors (see below), whose sum is σ = 38766030336. Its totient is φ = 18494340480.

The previous prime is 28407880357. The next prime is 28407880399. The reversal of 28407880383 is 38308870482.

It is not a de Polignac number, because 28407880383 - 2¹⁷ = 28407749311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28407880183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692266 + ... + 732152.

It is an arithmetic number, because the mean of its divisors is an integer number (2422876896).

Almost surely, 2^28407880383 is an apocalyptic number.

28407880383 is a deficient number, since it is larger than the sum of its proper divisors (10358149953).

28407880383 is a wasteful number, since it uses less digits than its factorization.

28407880383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454.

The product of its (nonzero) digits is 2064384, while the sum is 51.

Subtracting 28407880383 from its reverse (38308870482), we obtain a palindrome (9900990099).

The spelling of 28407880383 in words is "twenty-eight billion, four hundred seven million, eight hundred eighty thousand, three hundred eighty-three".