28110775858036 has 12 divisors (see below), whose sum is σ = 51783008159680. Its totient is φ = 13315630669560.

The previous prime is 28110775858031. The next prime is 28110775858073. The reversal of 28110775858036 is 63085857701182.

It is a happy number.

It is a super-2 number, since 2×28110775858036² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28110775858031) 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, 184939314780 + ... + 184939314931.

Almost surely, 2^{28110775858036} is an apocalyptic number.

It is an amenable number.

28110775858036 is a deficient number, since it is larger than the sum of its proper divisors (23672232301644).

28110775858036 is a wasteful number, since it uses less digits than its factorization.

28110775858036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369878629734 (or 369878629732 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 61.

The spelling of 28110775858036 in words is "twenty-eight trillion, one hundred ten billion, seven hundred seventy-five million, eight hundred fifty-eight thousand, thirty-six".