28385858382 has 64 divisors (see below), whose sum is σ = 65108219904. Its totient is φ = 8082027360.

The previous prime is 28385858339. The next prime is 28385858399.

28385858382 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26017657 + ... + 26018747.

It is an arithmetic number, because the mean of its divisors is an integer number (1017315936).

Almost surely, 2^28385858382 is an apocalyptic number.

28385858382 is an abundant number, since it is smaller than the sum of its proper divisors (36722361522).

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

28385858382 is a wasteful number, since it uses less digits than its factorization.

28385858382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its digits is 29491200, while the sum is 60.

The spelling of 28385858382 in words is "twenty-eight billion, three hundred eighty-five million, eight hundred fifty-eight thousand, three hundred eighty-two".