28855385734 has 8 divisors (see below), whose sum is σ = 49466375568. Its totient is φ = 12366593880.

The previous prime is 28855385723. The next prime is 28855385737. The reversal of 28855385734 is 43758355882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28855385737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030549477 + ... + 1030549504.

It is an arithmetic number, because the mean of its divisors is an integer number (6183296946).

Almost surely, 2^28855385734 is an apocalyptic number.

28855385734 is a deficient number, since it is larger than the sum of its proper divisors (20610989834).

28855385734 is a wasteful number, since it uses less digits than its factorization.

28855385734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061098990.

The product of its digits is 32256000, while the sum is 58.

The spelling of 28855385734 in words is "twenty-eight billion, eight hundred fifty-five million, three hundred eighty-five thousand, seven hundred thirty-four".