28155935382 has 16 divisors (see below), whose sum is σ = 56314994880. Its totient is φ = 9384791112.

The previous prime is 28155935363. The next prime is 28155935387. The reversal of 28155935382 is 28353955182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28155935387) 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 7 ways as a sum of consecutive naturals, for example, 3532 + ... + 237327.

It is an arithmetic number, because the mean of its divisors is an integer number (3519687180).

Almost surely, 2^28155935382 is an apocalyptic number.

28155935382 is an abundant number, since it is smaller than the sum of its proper divisors (28159059498).

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

28155935382 is a wasteful number, since it uses less digits than its factorization.

28155935382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260347.

The product of its digits is 2592000, while the sum is 51.

The spelling of 28155935382 in words is "twenty-eight billion, one hundred fifty-five million, nine hundred thirty-five thousand, three hundred eighty-two".