28687114858 has 8 divisors (see below), whose sum is σ = 44031385728. Its totient is φ = 14009986284.

The previous prime is 28687114847. The next prime is 28687114867. The reversal of 28687114858 is 85841178682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166785466 + ... + 166785637.

It is an arithmetic number, because the mean of its divisors is an integer number (5503923216).

Almost surely, 2^28687114858 is an apocalyptic number.

28687114858 is a deficient number, since it is larger than the sum of its proper divisors (15344270870).

28687114858 is a wasteful number, since it uses less digits than its factorization.

28687114858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333571148.

The product of its digits is 6881280, while the sum is 58.

The spelling of 28687114858 in words is "twenty-eight billion, six hundred eighty-seven million, one hundred fourteen thousand, eight hundred fifty-eight".