283278278028 has 24 divisors (see below), whose sum is σ = 661241219632. Its totient is φ = 94389153984.

The previous prime is 283278277991. The next prime is 283278278047. The reversal of 283278278028 is 820872872382.

It is a happy number.

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, 4585375 + ... + 4646742.

Almost surely, 2^283278278028 is an apocalyptic number.

It is an amenable number.

283278278028 is an abundant number, since it is smaller than the sum of its proper divisors (377962941604).

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

283278278028 is a wasteful number, since it uses less digits than its factorization.

283278278028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234681 (or 9234679 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 283278278028 in words is "two hundred eighty-three billion, two hundred seventy-eight million, two hundred seventy-eight thousand, twenty-eight".