28022943855 has 8 divisors (see below), whose sum is σ = 44836710192. Its totient is φ = 14945570048.

The previous prime is 28022943847. The next prime is 28022943881. The reversal of 28022943855 is 55834922082.

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

It is a cyclic number.

It is not a de Polignac number, because 28022943855 - 2³ = 28022943847 is a prime.

It is a super-2 number, since 2×28022943855² (a number of 22 digits) contains 22 as substring.

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, 934098114 + ... + 934098143.

It is an arithmetic number, because the mean of its divisors is an integer number (5604588774).

Almost surely, 2^28022943855 is an apocalyptic number.

28022943855 is a deficient number, since it is larger than the sum of its proper divisors (16813766337).

28022943855 is a wasteful number, since it uses less digits than its factorization.

28022943855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868196265.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 28022943855 in words is "twenty-eight billion, twenty-two million, nine hundred forty-three thousand, eight hundred fifty-five".