84255218522280 has 576 divisors, whose sum is σ = 313560364440960. Its totient is φ = 19501065363456.

The previous prime is 84255218522257. The next prime is 84255218522347. The reversal of 84255218522280 is 8222581255248.

84255218522280 is a `hidden beast` number, since 8 + 4 + 2 + 552 + 1 + 8 + 5 + 2 + 2 + 2 + 80 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1437699459 + ... + 1437758061.

It is an arithmetic number, because the mean of its divisors is an integer number (544375632710).

Almost surely, 2^{84255218522280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84255218522280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156780182220480).

84255218522280 is an abundant number, since it is smaller than the sum of its proper divisors (229305145918680).

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

84255218522280 is a wasteful number, since it uses less digits than its factorization.

84255218522280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59730 (or 59706 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 54.

The spelling of 84255218522280 in words is "eighty-four trillion, two hundred fifty-five billion, two hundred eighteen million, five hundred twenty-two thousand, two hundred eighty".