28847255274 has 40 divisors (see below), whose sum is σ = 64649928288. Its totient is φ = 9614158920.

The previous prime is 28847255237. The next prime is 28847255279. The reversal of 28847255274 is 47255274882.

It is a happy number.

28847255274 is a `hidden beast` number, since 2 + 8 + 84 + 7 + 2 + 552 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28847255274.

It is not an unprimeable number, because it can be changed into a prime (28847255279) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1361139 + ... + 1382169.

Almost surely, 2^28847255274 is an apocalyptic number.

28847255274 is an abundant number, since it is smaller than the sum of its proper divisors (35802673014).

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

28847255274 is a wasteful number, since it uses less digits than its factorization.

28847255274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29512 (or 29503 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 54.

The spelling of 28847255274 in words is "twenty-eight billion, eight hundred forty-seven million, two hundred fifty-five thousand, two hundred seventy-four".