28694753135 has 16 divisors (see below), whose sum is σ = 38378124000. Its totient is φ = 20468330496.

The previous prime is 28694753089. The next prime is 28694753137. The reversal of 28694753135 is 53135749682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28694753135 - 2⁶ = 28694753071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28694753137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8882210 + ... + 8885439.

It is an arithmetic number, because the mean of its divisors is an integer number (2398632750).

Almost surely, 2^28694753135 is an apocalyptic number.

28694753135 is a deficient number, since it is larger than the sum of its proper divisors (9683370865).

28694753135 is a wasteful number, since it uses less digits than its factorization.

28694753135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767690.

The product of its digits is 5443200, while the sum is 53.

The spelling of 28694753135 in words is "twenty-eight billion, six hundred ninety-four million, seven hundred fifty-three thousand, one hundred thirty-five".