283508122878 has 12 divisors (see below), whose sum is σ = 614267599608. Its totient is φ = 94502707620.

The previous prime is 283508122873. The next prime is 283508122939. The reversal of 283508122878 is 878221805382.

283508122878 is a `hidden beast` number, since 2 + 8 + 3 + 508 + 122 + 8 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283508122871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7875225618 + ... + 7875225653.

It is an arithmetic number, because the mean of its divisors is an integer number (51188966634).

Almost surely, 2^283508122878 is an apocalyptic number.

283508122878 is an abundant number, since it is smaller than the sum of its proper divisors (330759476730).

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

283508122878 is a wasteful number, since it uses less digits than its factorization.

283508122878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750451279 (or 15750451276 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 283508122878 in words is "two hundred eighty-three billion, five hundred eight million, one hundred twenty-two thousand, eight hundred seventy-eight".