84765755880 has 192 divisors, whose sum is σ = 305959896000. Its totient is φ = 20865371904.

The previous prime is 84765755873. The next prime is 84765755939. The reversal of 84765755880 is 8855756748.

84765755880 is a `hidden beast` number, since 8 + 4 + 7 + 6 + 575 + 58 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49690 + ... + 414729.

It is an arithmetic number, because the mean of its divisors is an integer number (1593541125).

Almost surely, 2^84765755880 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 84765755880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152979948000).

84765755880 is an abundant number, since it is smaller than the sum of its proper divisors (221194140120).

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

84765755880 is a wasteful number, since it uses less digits than its factorization.

84765755880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464465 (or 464442 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 63.

The spelling of 84765755880 in words is "eighty-four billion, seven hundred sixty-five million, seven hundred fifty-five thousand, eight hundred eighty".