28007847234 has 24 divisors (see below), whose sum is σ = 60740905212. Its totient is φ = 9327143520.

The previous prime is 28007847227. The next prime is 28007847253. The reversal of 28007847234 is 43274870082.

28007847234 is a `hidden beast` number, since 2 + 80 + 0 + 78 + 472 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25123835025 + 2884012209 = 158505^2 + 53703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28007847234.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714169 + ... + 752364.

Almost surely, 2^28007847234 is an apocalyptic number.

28007847234 is an abundant number, since it is smaller than the sum of its proper divisors (32733057978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28007847234 is a wasteful number, since it uses less digits than its factorization.

28007847234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467602 (or 1467599 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 28007847234 in words is "twenty-eight billion, seven million, eight hundred forty-seven thousand, two hundred thirty-four".