84826357820 has 24 divisors (see below), whose sum is σ = 178156362384. Its totient is φ = 33926541056.

The previous prime is 84826357817. The next prime is 84826357849. The reversal of 84826357820 is 2875362848.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73277 + ... + 418356.

It is an arithmetic number, because the mean of its divisors is an integer number (7423181766).

Almost surely, 2^84826357820 is an apocalyptic number.

It is an amenable number.

84826357820 is an abundant number, since it is smaller than the sum of its proper divisors (93330004564).

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

84826357820 is a wasteful number, since it uses less digits than its factorization.

84826357820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500269 (or 500267 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 84826357820 in words is "eighty-four billion, eight hundred twenty-six million, three hundred fifty-seven thousand, eight hundred twenty".