28315853655 has 8 divisors (see below), whose sum is σ = 45305365872. Its totient is φ = 15101788608.

The previous prime is 28315853641. The next prime is 28315853681. The reversal of 28315853655 is 55635851382.

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

It is not a de Polignac number, because 28315853655 - 2¹⁴ = 28315837271 is a prime.

It is a super-2 number, since 2×28315853655² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28315853598 and 28315853607.

It is a congruent number.

It is an unprimeable number.

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, 943861774 + ... + 943861803.

It is an arithmetic number, because the mean of its divisors is an integer number (5663170734).

Almost surely, 2^28315853655 is an apocalyptic number.

28315853655 is a deficient number, since it is larger than the sum of its proper divisors (16989512217).

28315853655 is a wasteful number, since it uses less digits than its factorization.

28315853655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887723585.

The product of its digits is 4320000, while the sum is 51.

The spelling of 28315853655 in words is "twenty-eight billion, three hundred fifteen million, eight hundred fifty-three thousand, six hundred fifty-five".