28886008138 has 16 divisors (see below), whose sum is σ = 46714895136. Its totient is φ = 13316894640.

The previous prime is 28886008127. The next prime is 28886008153. The reversal of 28886008138 is 83180068882.

It is a super-2 number, since 2×28886008138² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606148 + ... + 652063.

It is an arithmetic number, because the mean of its divisors is an integer number (2919680946).

Almost surely, 2^28886008138 is an apocalyptic number.

28886008138 is a deficient number, since it is larger than the sum of its proper divisors (17828886998).

28886008138 is a wasteful number, since it uses less digits than its factorization.

28886008138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259109.

The product of its (nonzero) digits is 1179648, while the sum is 52.

The spelling of 28886008138 in words is "twenty-eight billion, eight hundred eighty-six million, eight thousand, one hundred thirty-eight".