28674578184 has 128 divisors (see below), whose sum is σ = 82949391360. Its totient is φ = 8091019008.

The previous prime is 28674578171. The next prime is 28674578197. The reversal of 28674578184 is 48187547682.

It is an interprime number because it is at equal distance from previous prime (28674578171) and next prime (28674578197).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6235374 + ... + 6239970.

It is an arithmetic number, because the mean of its divisors is an integer number (648042120).

Almost surely, 2^28674578184 is an apocalyptic number.

28674578184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28674578184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41474695680).

28674578184 is an abundant number, since it is smaller than the sum of its proper divisors (54274813176).

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

28674578184 is a wasteful number, since it uses less digits than its factorization.

28674578184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067 (or 5063 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 60.

The spelling of 28674578184 in words is "twenty-eight billion, six hundred seventy-four million, five hundred seventy-eight thousand, one hundred eighty-four".