84258036840 has 64 divisors (see below), whose sum is σ = 257543452800. Its totient is φ = 22044868352.

The previous prime is 84258036817. The next prime is 84258036901. The reversal of 84258036840 is 4863085248.

It is a self number, because there is not a number n which added to its sum of digits gives 84258036840.

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, 6617700 + ... + 6630419.

It is an arithmetic number, because the mean of its divisors is an integer number (4024116450).

Almost surely, 2^84258036840 is an apocalyptic number.

It is an amenable number.

84258036840 is an abundant number, since it is smaller than the sum of its proper divisors (173285415960).

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

84258036840 is a wasteful number, since it uses less digits than its factorization.

84258036840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248186 (or 13248182 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 84258036840 in words is "eighty-four billion, two hundred fifty-eight million, thirty-six thousand, eight hundred forty".