28874871226 has 8 divisors (see below), whose sum is σ = 43358534100. Its totient is φ = 14422026528.

The previous prime is 28874871199. The next prime is 28874871239. The reversal of 28874871226 is 62217847882.

It can be written as a sum of positive squares in 2 ways, for example, as 18837837001 + 10037034225 = 137251^2 + 100185^2 .

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, 7702201 + ... + 7705948.

Almost surely, 2^28874871226 is an apocalyptic number.

28874871226 is a deficient number, since it is larger than the sum of its proper divisors (14483662874).

28874871226 is a wasteful number, since it uses less digits than its factorization.

28874871226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15409088.

The product of its digits is 4816896, while the sum is 55.

The spelling of 28874871226 in words is "twenty-eight billion, eight hundred seventy-four million, eight hundred seventy-one thousand, two hundred twenty-six".