28055323258 has 16 divisors (see below), whose sum is σ = 42834407040. Its totient is φ = 13778657200.

The previous prime is 28055323253. The next prime is 28055323273. The reversal of 28055323258 is 85232355082.

It is a super-2 number, since 2×28055323258² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28055323253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329038 + ... + 405433.

It is an arithmetic number, because the mean of its divisors is an integer number (2677150440).

Almost surely, 2^28055323258 is an apocalyptic number.

28055323258 is a deficient number, since it is larger than the sum of its proper divisors (14779083782).

28055323258 is a wasteful number, since it uses less digits than its factorization.

28055323258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734813.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 28055323258 in words is "twenty-eight billion, fifty-five million, three hundred twenty-three thousand, two hundred fifty-eight".