28061100234 has 24 divisors (see below), whose sum is σ = 62895570660. Its totient is φ = 9031158528.

The previous prime is 28061100233. The next prime is 28061100253. The reversal of 28061100234 is 43200116082.

28061100234 is a `hidden beast` number, since 28 + 0 + 611 + 0 + 0 + 23 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27721251009 + 339849225 = 166497^2 + 18435^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28061100198 and 28061100207.

It is not an unprimeable number, because it can be changed into a prime (28061100233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26877927 + ... + 26878970.

Almost surely, 2^28061100234 is an apocalyptic number.

28061100234 is an abundant number, since it is smaller than the sum of its proper divisors (34834470426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28061100234 is a wasteful number, since it uses less digits than its factorization.

28061100234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53756934 (or 53756931 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 28061100234 in words is "twenty-eight billion, sixty-one million, one hundred thousand, two hundred thirty-four".