28194845284 has 24 divisors (see below), whose sum is σ = 49856438016. Its totient is φ = 13950300000.

The previous prime is 28194845269. The next prime is 28194845347. The reversal of 28194845284 is 48254849182.

It is a super-3 number, since 3×28194845284³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770319 + ... + 806089.

It is an arithmetic number, because the mean of its divisors is an integer number (2077351584).

Almost surely, 2^28194845284 is an apocalyptic number.

It is an amenable number.

28194845284 is a deficient number, since it is larger than the sum of its proper divisors (21661592732).

28194845284 is a wasteful number, since it uses less digits than its factorization.

28194845284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37827 (or 37825 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 55.

The spelling of 28194845284 in words is "twenty-eight billion, one hundred ninety-four million, eight hundred forty-five thousand, two hundred eighty-four".