28399499382 has 16 divisors (see below), whose sum is σ = 58119906240. Its totient is φ = 9246348552.

The previous prime is 28399499347. The next prime is 28399499393.

28399499382 is nontrivially palindromic in base 10.

28399499382 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55037532 + ... + 55038047.

It is an arithmetic number, because the mean of its divisors is an integer number (3632494140).

Almost surely, 2^28399499382 is an apocalyptic number.

28399499382 is an abundant number, since it is smaller than the sum of its proper divisors (29720406858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28399499382 is a wasteful number, since it uses less digits than its factorization.

28399499382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110075627.

The product of its digits is 60466176, while the sum is 66.

The spelling of 28399499382 in words is "twenty-eight billion, three hundred ninety-nine million, four hundred ninety-nine thousand, three hundred eighty-two".