28806508935 has 48 divisors (see below), whose sum is σ = 50477147136. Its totient is φ = 15196253184.

The previous prime is 28806508921. The next prime is 28806508937. The reversal of 28806508935 is 53980560882.

28806508935 is a `hidden beast` number, since 28 + 80 + 6 + 508 + 9 + 35 = 666.

It is not a de Polignac number, because 28806508935 - 2⁴ = 28806508919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28806508937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1918477 + ... + 1933433.

It is an arithmetic number, because the mean of its divisors is an integer number (1051607232).

Almost surely, 2^28806508935 is an apocalyptic number.

28806508935 is a deficient number, since it is larger than the sum of its proper divisors (21670638201).

28806508935 is a wasteful number, since it uses less digits than its factorization.

28806508935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15432 (or 15429 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 28806508935 in words is "twenty-eight billion, eight hundred six million, five hundred eight thousand, nine hundred thirty-five".