28867710135 has 32 divisors (see below), whose sum is σ = 53039243520. Its totient is φ = 13259808000.

The previous prime is 28867710127. The next prime is 28867710161. The reversal of 28867710135 is 53101776882.

It is a happy number.

It is not a de Polignac number, because 28867710135 - 2³ = 28867710127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4600966 + ... + 4607235.

It is an arithmetic number, because the mean of its divisors is an integer number (1657476360).

Almost surely, 2^28867710135 is an apocalyptic number.

28867710135 is a deficient number, since it is larger than the sum of its proper divisors (24171533385).

28867710135 is a wasteful number, since it uses less digits than its factorization.

28867710135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208239.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 28867710135 in words is "twenty-eight billion, eight hundred sixty-seven million, seven hundred ten thousand, one hundred thirty-five".