84228868556 has 48 divisors (see below), whose sum is σ = 173929039872. Its totient is φ = 34926163200.

The previous prime is 84228868469. The next prime is 84228868567. The reversal of 84228868556 is 65586882248.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6174215 + ... + 6187841.

It is an arithmetic number, because the mean of its divisors is an integer number (3623521664).

Almost surely, 2^84228868556 is an apocalyptic number.

It is an amenable number.

84228868556 is an abundant number, since it is smaller than the sum of its proper divisors (89700171316).

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

84228868556 is a wasteful number, since it uses less digits than its factorization.

84228868556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790 (or 20788 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 62.

The spelling of 84228868556 in words is "eighty-four billion, two hundred twenty-eight million, eight hundred sixty-eight thousand, five hundred fifty-six".