84211858828 has 12 divisors (see below), whose sum is σ = 147373575552. Its totient is φ = 42105122960.

The previous prime is 84211858813. The next prime is 84211858831. The reversal of 84211858828 is 82885811248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75726 + ... + 417322.

It is an arithmetic number, because the mean of its divisors is an integer number (12281131296).

Almost surely, 2^84211858828 is an apocalyptic number.

It is an amenable number.

84211858828 is a deficient number, since it is larger than the sum of its proper divisors (63161716724).

84211858828 is a wasteful number, since it uses less digits than its factorization.

84211858828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403232 (or 403230 counting only the distinct ones).

The product of its digits is 2621440, while the sum is 55.

The spelling of 84211858828 in words is "eighty-four billion, two hundred eleven million, eight hundred fifty-eight thousand, eight hundred twenty-eight".