84228796278 has 48 divisors (see below), whose sum is σ = 201057444432. Its totient is φ = 25271160000.

The previous prime is 84228796277. The next prime is 84228796291. The reversal of 84228796278 is 87269782248.

84228796278 is a `hidden beast` number, since 8 + 422 + 87 + 9 + 62 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84228796273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2085933 + ... + 2125928.

It is an arithmetic number, because the mean of its divisors is an integer number (4188696759).

Almost surely, 2^84228796278 is an apocalyptic number.

84228796278 is an abundant number, since it is smaller than the sum of its proper divisors (116828648154).

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

84228796278 is a wasteful number, since it uses less digits than its factorization.

84228796278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211981 (or 4211978 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 84228796278 in words is "eighty-four billion, two hundred twenty-eight million, seven hundred ninety-six thousand, two hundred seventy-eight".