28053078018 has 16 divisors (see below), whose sum is σ = 64121321280. Its totient is φ = 8015165136.

The previous prime is 28053078017. The next prime is 28053078023. The reversal of 28053078018 is 81087035082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 667930429 = 28053078018 / (2 + 8 + 0 + 5 + 3 + 0 + 7 + 8 + 0 + 1 + 8).

It is not an unprimeable number, because it can be changed into a prime (28053078013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333965173 + ... + 333965256.

It is an arithmetic number, because the mean of its divisors is an integer number (4007582580).

Almost surely, 2^28053078018 is an apocalyptic number.

28053078018 is an abundant number, since it is smaller than the sum of its proper divisors (36068243262).

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

28053078018 is a wasteful number, since it uses less digits than its factorization.

28053078018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667930441.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 28053078018 in words is "twenty-eight billion, fifty-three million, seventy-eight thousand, eighteen".