28012046235 has 16 divisors (see below), whose sum is σ = 44821851936. Its totient is φ = 14938898688.

The previous prime is 28012046233. The next prime is 28012046297. The reversal of 28012046235 is 53264021082.

It is not a de Polignac number, because 28012046235 - 2¹ = 28012046233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28012046196 and 28012046205.

It is not an unprimeable number, because it can be changed into a prime (28012046233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284457 + ... + 370053.

It is an arithmetic number, because the mean of its divisors is an integer number (2801365746).

Almost surely, 2^28012046235 is an apocalyptic number.

28012046235 is a deficient number, since it is larger than the sum of its proper divisors (16809805701).

28012046235 is a wasteful number, since it uses less digits than its factorization.

28012046235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107422.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 28012046235 in words is "twenty-eight billion, twelve million, forty-six thousand, two hundred thirty-five".