28413878583 has 32 divisors (see below), whose sum is σ = 38680519680. Its totient is φ = 18549054720.

The previous prime is 28413878533. The next prime is 28413878587. The reversal of 28413878583 is 38587831482.

It is not a de Polignac number, because 28413878583 - 2⁸ = 28413878327 is a prime.

It is a super-2 number, since 2×28413878583² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28413878587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25900891 + ... + 25901987.

It is an arithmetic number, because the mean of its divisors is an integer number (1208766240).

Almost surely, 2^28413878583 is an apocalyptic number.

28413878583 is a deficient number, since it is larger than the sum of its proper divisors (10266641097).

28413878583 is a wasteful number, since it uses less digits than its factorization.

28413878583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its digits is 10321920, while the sum is 57.

The spelling of 28413878583 in words is "twenty-eight billion, four hundred thirteen million, eight hundred seventy-eight thousand, five hundred eighty-three".